About 效率 results of 10,000

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Why being bilingual is good for your brain | BBC Ideas05:35

Why being bilingual is good for your brain | BBC Ideas

75443
B1
The Disinfectants Fighting the Coronavirus Pandemic | WSJ05:17

The Disinfectants Fighting the Coronavirus Pandemic | WSJ

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Improve your Writing: Show, Not Tell06:08

Improve your Writing: Show, Not Tell

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A Brief History of the Exit Sign | ARTiculations04:36

A Brief History of the Exit Sign | ARTiculations

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最新のロボットは、人間のニーズをどのように捉えるか | WIRED.jp03:52

最新のロボットは、人間のニーズをどのように捉えるか | WIRED.jp

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What would the world be like without antibiotics? | BBC Ideas06:36

What would the world be like without antibiotics? | BBC Ideas

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Textures - Unity Official Tutorials04:58

Textures - Unity Official Tutorials

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Why Coronavirus Estimates Are Higher Than China's Official Tally | WSJ04:56

Why Coronavirus Estimates Are Higher Than China's Official Tally | WSJ

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China’s New Space Station Will Join the ISS in Earth’s Orbit04:14

China’s New Space Station Will Join the ISS in Earth’s Orbit

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Ball-Parking: Get Better Grades by Through Elimination04:55

Ball-Parking: Get Better Grades by Through Elimination

59
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Chilling Adventures of Sabrina: Bloody Mary | SHOT BY SHOT | Netflix05:43

Chilling Adventures of Sabrina: Bloody Mary | SHOT BY SHOT | Netflix

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English Listening Practice: How to Understand Movies Without Subtitles04:39

English Listening Practice: How to Understand Movies Without Subtitles

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How Magic Mushrooms Affect Your Brain04:30

How Magic Mushrooms Affect Your Brain

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Rex Ryan reacts to Baker Mayfield leading the Browns to the playoffs | Get Up03:43

Rex Ryan reacts to Baker Mayfield leading the Browns to the playoffs | Get Up

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The Race to Launch Small Satellites Is On For Firefly Aerospace04:03

The Race to Launch Small Satellites Is On For Firefly Aerospace

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NHS could be “overwhelmed within three weeks” say UK Chief Medical Officers - BBC News04:15

NHS could be “overwhelmed within three weeks” say UK Chief Medical Officers - BBC News

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John Dewey’s 4 Principles of Progressive Education05:29

John Dewey’s 4 Principles of Progressive Education

157
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Reacting to J.J. Watt agreeing to a 2-year/$31M deal with the Cardinals | NFL Live03:44

Reacting to J.J. Watt agreeing to a 2-year/$31M deal with the Cardinals | NFL Live

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Marvel Knows What The Next Avengers Team Will Be Like04:36

Marvel Knows What The Next Avengers Team Will Be Like

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Five tips to get a new habit to stick | BBC Ideas04:02

Five tips to get a new habit to stick | BBC Ideas

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A2
Inside a 6ft Air Balloon - 4K - The Slow Mo Guys07:12

Inside a 6ft Air Balloon - 4K - The Slow Mo Guys

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Villain Pub - Penny For Your Fears05:36

Villain Pub - Penny For Your Fears

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All Hollywood VFX Removed! What Movies Really Look Like03:25

All Hollywood VFX Removed! What Movies Really Look Like

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How IKEA Gets You to Impulsively Buy More04:50

How IKEA Gets You to Impulsively Buy More

32350
B1
Could solar geoengineering counter global warming? | The Economist04:51

Could solar geoengineering counter global warming? | The Economist

27425
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What Secrets Are Hiding on Jupiter's Moons?04:11

What Secrets Are Hiding on Jupiter's Moons?

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Metal Gear Dies04:44

Metal Gear Dies

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Highlights from the 2020 Oscars: 'Parasite' wins best picture and makes history04:41

Highlights from the 2020 Oscars: 'Parasite' wins best picture and makes history

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Can Derrick Henry win MVP? Will the Seahawks win the NFC? What is Cam Newton's future? | First Take03:44

Can Derrick Henry win MVP? Will the Seahawks win the NFC? What is Cam Newton's future? | First Take

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Google Docs: Working With Images04:45

Google Docs: Working With Images

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How to Survive a Bear Attack06:06

How to Survive a Bear Attack

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Climate Deal in Paris: Everything You Need to Know04:53

Climate Deal in Paris: Everything You Need to Know

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Time Slime (Bravest Warriors - Ep. 1 Season 1 On Cartoon Hangover)05:40

Time Slime (Bravest Warriors - Ep. 1 Season 1 On Cartoon Hangover)

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Three pioneers who predicted climate change | BBC Ideas04:48

Three pioneers who predicted climate change | BBC Ideas

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CGRundertow RESIDENT EVIL: REVELATIONS DEMO for Nintendo 3DS Video Game Review04:47

CGRundertow RESIDENT EVIL: REVELATIONS DEMO for Nintendo 3DS Video Game Review

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These Magic Words Are REAL! | Otherwords07:37

These Magic Words Are REAL! | Otherwords

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Drawing Conquest vs. Atom Eve Fan Art with Deegan Puchkors | Invincible | Prime Video06:58

Drawing Conquest vs. Atom Eve Fan Art with Deegan Puchkors | Invincible | Prime Video

B1
The Console: FULL EPISODE | Gumball | Cartoon Network UK11:59

The Console: FULL EPISODE | Gumball | Cartoon Network UK

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The mindset shift that changed my 20s.07:35

The mindset shift that changed my 20s.

45
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How to Get Over the Fear of Starting College05:36

How to Get Over the Fear of Starting College

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Mariah Robertson’s Chemical Reactions | ART21 "New York Close Up"09:22

Mariah Robertson’s Chemical Reactions | ART21 "New York Close Up"

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This Is How Marshmallows Are Really Made06:21

This Is How Marshmallows Are Really Made

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6 Tips on How To be More Likeable According to Science06:26

6 Tips on How To be More Likeable According to Science

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5 Things You Should NEVER Say to someone with ADHD06:23

5 Things You Should NEVER Say to someone with ADHD

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Sophia and Braxton's Couples Anti-Aging Nighttime Skincare Routine | Go to Bed With Me08:03

Sophia and Braxton's Couples Anti-Aging Nighttime Skincare Routine | Go to Bed With Me

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Why Was This Plane Invulnerable: The SR-71 Blackbird Story08:25

Why Was This Plane Invulnerable: The SR-71 Blackbird Story

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