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    decay

    US /dɪˈke/

    ・

    UK /dɪˈkeɪ/

    B1
    v.i.Intransitive VerbTo be slowly destroyed by natural processes; rot
    Eating too much sweets caused her teeth to decay
    n. (u.)Uncountable NounSlow loss of physical or mental health
    Tooth decay is sometimes caused by what we eat or drink
    v.i.Intransitive VerbTo lose health or strength
    Our minds decay when we do not work them daily

    Video subtitles

    Reef Life of the Andaman - Part 1 - Introduction & Corals

    04:02Reef Life of the Andaman - Part 1 - Introduction & Corals
    • Millions of years of decay have cut the limestone pinnacles of Burma's Mergui Archipelago

      Millions of years of decay have cut the limestone pinnacles of Burma's Mergui Archipelago

    B2

    What causes cavities? | #aumsum

    01:07What causes cavities? | #aumsum
    • Topic: Tooth Decay.

      Topic: Tooth Decay.

    • Topic: Tooth decay.

      Topic: Tooth decay.

    B2

    Reef Life of the Andaman (full marine biology documentary)

    56:24Reef Life of the Andaman (full marine biology documentary)
    • Millions of years of decay have cut the limestone pinnacles of Burma's Mergui Archipelago

      Millions of years of decay have cut the limestone pinnacles of Burma's Mergui Archipelago

    C1

    New images of Titanic show the ship's iconic railing has broken off

    02:57New images of Titanic show the ship's iconic railing has broken off
    • The ship's most recognizable feature, the iconic bow, showing signs of inevitable decay.

      The ship's most recognizable feature, the iconic bow, showing signs of inevitable decay.

    • The ship's most recognizable feature, the iconic bow, showing signs of inevitable decay.

      The ship's most recognizable feature, the iconic bow, showing signs of inevitable decay.

    B1

    Why is Fluoride in our Water? | May 7, 2025

    11:17Why is Fluoride in our Water? | May 7, 2025
    • We begin today in Utah, which this week became the first U.S. state to ban the use of fluoride in public water. Fluoride is a natural occurring mineral that can be found in soil, plants, and food in tiny amounts. And studies show that at optimal levels, it helps prevent tooth decay, helps prevent cavities. The U.S. has added it to public drinking water systems since the 1940s to improve dental health, and the practice is considered to be one of the greatest public health achievements of the last century. But it's created some contratoms, with debate over adding fluoride to public water ramping up, and some states like Florida are following in Utah's footsteps to pass laws to ban it. Those in favor of banning fluoride in drinking water point to research that shows consumption of high levels of fluoride could cause adverse health effects in children, but exposure to levels that concentrated are rarely seen in the U.S. Proponents of the ban add that when it comes to fluoride improving dental health, evidence is mixed, and some studies find that our modern dental hygiene routines like brushing and flossing regularly have had more of an impact than fluoride in drinking water. Other advocates of the ban acknowledge that fluoride does have benefits, but people should have the individual choice to not have it added to their drinking water.

      We begin today in Utah, which this week became the first U.S. state to ban the use of fluoride in public water. Fluoride is a natural occurring mineral that can be found in soil, plants, and food in tiny amounts. And studies show that at optimal levels, it helps prevent tooth decay, helps prevent cavities. The U.S. has added it to public drinking water systems since the 1940s to improve dental health, and the practice is considered to be one of the greatest public health achievements of the last century. But it's created some contratoms, with debate over adding fluoride to public water ramping up, and some states like Florida are following in Utah's footsteps to pass laws to ban it. Those in favor of banning fluoride in drinking water point to research that shows consumption of high levels of fluoride could cause adverse health effects in children, but exposure to levels that concentrated are rarely seen in the U.S. Proponents of the ban add that when it comes to fluoride improving dental health, evidence is mixed, and some studies find that our modern dental hygiene routines like brushing and flossing regularly have had more of an impact than fluoride in drinking water. Other advocates of the ban acknowledge that fluoride does have benefits, but people should have the individual choice to not have it added to their drinking water.

    • And studies show that at optimal levels, it helps prevent tooth decay, helps prevent cavities.

      And studies show that at optimal levels, it helps prevent tooth decay, helps prevent cavities.

    B1

    TOEIC Reading Tips: Single and Multi Reading Comprehension

    11:36TOEIC Reading Tips: Single and Multi Reading Comprehension
    • For nine years, the building was left to decay.

      For nine years, the building was left to decay.

    • So left to decay is a pretty unusual expression.

      So left to decay is a pretty unusual expression.

    A2

    Antimatter in Sci-Fi Rundown

    10:01Antimatter in Sci-Fi Rundown
    • Even bananas produce antimatter from the natural radioactive decay of tiny amounts of potassium-40, but only at a rate of one antielectron every 75 minutes or so.

      Even bananas produce antimatter from the natural radioactive decay of tiny amounts of potassium-40, but only at a rate of one antielectron every 75 minutes or so.

    • Even bananas produce antimatter from the natural radioactive decay of tiny amounts of potassium-40, but

      Even bananas produce antimatter from the natural radioactive decay of tiny amounts of potassium-40, but

    B2

    Why general relativity would’ve been discovered without Einstein | Sean Carroll

    16:58Why general relativity would’ve been discovered without Einstein | Sean Carroll
    • Enrico Fermi invents a theory that explains how neutrons and muons can decay called the Fermi theory of beta D decay.

      Enrico Fermi invents a theory that explains how neutrons and muons can decay called the Fermi theory of beta D decay.

    B1

    5 Quick Makeup Refresh Tips | sunbeamsjess

    02:425 Quick Makeup Refresh Tips | sunbeamsjess
    • This Mascara Resurrection from Urban Decay renews your mascara so you can apply more.

      This Mascara Resurrection from Urban Decay renews your mascara so you can apply more.

    B1

    Jane Eyre Audiobook by Charlotte Bronte | Audiobooks Youtube Free | Part 1

    15:23Jane Eyre Audiobook by Charlotte Bronte | Audiobooks Youtube Free | Part 1
    • pretty; but now, at the latter end of January, all was wintry blight and brown decay. I shuddered

      pretty; but now, at the latter end of January, all was wintry blight and brown decay. I shuddered

    B2