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    useful

    US /ˈjusfəl/

    ・

    UK /ˈju:sfl/

    A1TOEIC
    adj.AdjectiveThat can help with a particular task
    This book will be very useful for your test
    adj.AdjectiveHaving practical skills or knowledge.
    Learning a second language can be very useful in today's global economy.

    Video subtitles

    The Greatest Innovations In Formula One

    12:00The Greatest Innovations In Formula One
    • This equation is useful for understanding how drag works,

      This equation is useful for understanding how drag works,

    • This equation is useful for understanding how drag works, but the designers were not

      This equation is useful for understanding how drag works, but the designers were not

    B1

    The Ugly Truth About Gwyneth Paltrow and GOOP

    08:58The Ugly Truth About Gwyneth Paltrow and GOOP
    • However, according to the FDA, ozone is a toxic gas with no known useful medical applications in specific, adjunctive, or preventive therapies.

      However, according to the FDA, ozone is a toxic gas with no known useful medical applications in specific, adjunctive, or preventive therapies.

    • with no known useful medical applications

      with no known useful medical applications

    B2

    How Mirror Scenes Are Shot In Movies & TV | Movies Insider

    06:49How Mirror Scenes Are Shot In Movies & TV | Movies Insider
    • Two-way mirrors are still useful today.

      Two-way mirrors are still useful today.

    B1

    Fake accident: YouTuber jailed: BBC News Review

    06:43Fake accident: YouTuber jailed: BBC News Review
    • 'Gain' is the word that we are looking at and you probably already know this as a verb which means to get something useful or positive.

      'Gain' is the word that we are looking at and you probably already know this as a verb which means to get something useful or positive.

    • as a verb which means to get something useful or positive.

      as a verb which means to get something useful or positive.

    B1

    Nature destroying nature: BBC News Review

    06:00Nature destroying nature: BBC News Review
    • Yes, now, that is useful to think about - it's insect repellent.

      Yes, now, that is useful to think about - it's insect repellent.

    B2

    Your Microwave's Most Underrated Button | Techniquely with Lan Lam

    10:46Your Microwave's Most Underrated Button | Techniquely with Lan Lam
    • I'm gonna demonstrate how useful that power button is with this stick of butter.

      I'm gonna demonstrate how useful that power button is with this stick of butter.

    B1

    Why Does Texting Feel Different from Talking? | Otherwords

    07:03Why Does Texting Feel Different from Talking? | Otherwords
    • Fillers serve a useful linguistic purpose when we're thinking, but not done speaking.

      Fillers serve a useful linguistic purpose when we're thinking, but not done speaking.

    • We can take some of these semi-synchronous toolsinto other contexts where they can be useful.

      We can take some of these semi-synchronous toolsinto other contexts where they can be useful.

    B1

    How to Work with Someone You Can't Stand: The Harvard Business Review Guide

    08:20How to Work with Someone You Can't Stand: The Harvard Business Review Guide
    • As author Daniel Goleman points out, it's far more useful to focus on your own behavior because, well, it's something you can control.

      As author Daniel Goleman points out, it's far more useful to focus on your own behavior because, well, it's something you can control.

    • it's far more useful to focus on your own behavior

      it's far more useful to focus on your own behavior

    B1

    15 Useful English Phrases for Travel

    08:3615 Useful English Phrases for Travel
    • so now let's put the cherry on the top of your travel vocabulary with some DIFFERENT but really USEFUL phrases.

      so now let's put the cherry on the top of your travel vocabulary with some DIFFERENT but really USEFUL phrases.

    • with some DIFFERENT but really USEFUL phrases?  

      with some DIFFERENT but really USEFUL phrases?  

    A2

    Fidget Spinner Haters!

    07:42Fidget Spinner Haters!
    • In fact, I am going to do the opposite and show you how awesome and useful these things are, okay?

      In fact, I am going to do the opposite and show you how awesome and useful these things are, okay?

    • you how awesome and useful these things are, okay?

      you how awesome and useful these things are, okay?

    B1