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    helium

    US /ˈhiliəm/

    ・

    UK /ˈhi:liəm/

    C1 高級
    n. (u.)不可數名詞氦
    Helium is lighter than air and often put into balloons so that they can float in the air

    影片字幕

    令人費解的氣球行為!Smarter Every Day 113 (A Baffling Balloon Behavior - Smarter Every Day 113)

    04:41令人費解的氣球行為!Smarter Every Day 113 (A Baffling Balloon Behavior - Smarter Every Day 113)
    • because the helium in the balloon is lighter than air right?

      因為氣球內的氦氣比空氣輕對不對?

    • So let's imagine that the balloon is this bubble on top because the helium in the balloon is lighter than air, right?

      這代表我們加速的話,你能比爸爸吸更多空氣。

    B1 中級

    超煩的橘子就是一切!!! (Eat My Shorts #4) (Annoying Orange is EVERYTHING!!! (Eat My Shorts #4))

    09:01超煩的橘子就是一切!!! (Eat My Shorts #4) (Annoying Orange is EVERYTHING!!! (Eat My Shorts #4))
    • Probably because I inhaled a bunch of helium.

      大概是因為我吸了一堆氦氣。

    • Probably 'cause I inhaled a bunch of helium.

      大概是因為我吸了一堆氦氣。

    B1 中級

    重返月球:這一次人類為何而戰?揭秘中美太空競賽背後的戰略角力(Why are we going back to the Moon? - BBC World Service)

    07:49重返月球:這一次人類為何而戰?揭秘中美太空競賽背後的戰略角力(Why are we going back to the Moon? - BBC World Service)
    • Some of those resources are hidden in moondust, including helium-3, which could one day power nuclear fusion reactors and is very rare and expensive on Earth.
    • You then have to do all that processing, contain your helium-3, return it safely to Earth,
    B1 中級

    美國首府賞櫻指南:華盛頓的粉紅浪漫(Cherry Blossom Season in Washington, DC)

    06:41美國首府賞櫻指南:華盛頓的粉紅浪漫(Cherry Blossom Season in Washington, DC)
    • This massive procession runs for ten blocks along Constitution Avenue, with elaborate floats, giant helium balloons,

      這場盛大的遊行隊伍沿著憲法大道綿延十個街區,有精緻的花車、巨大的氦氣球,

    • This massive procession runs for ten blocks along Constitution Avenue, with elaborate floats, giant helium balloons, and

      但如果你夠早到並佔到位置,沿著遊行路線的大部分地方都可以免費觀看。

    B2 中高級

    週期表之歌 (2018更新版!) (The Periodic Table Song (2018 UPDATE!))

    03:05週期表之歌 (2018更新版!) (The Periodic Table Song (2018 UPDATE!))
    • There's hydrogen and helium, then lithium beryllium, boron, carbon everywhere.

      ASAP科學介紹:

    • There's Hydrogen and Helium

      元素週期表

    C1 高級

    黑洞解釋--從誕生到死亡 (Black Holes Explained – From Birth to Death)

    05:56黑洞解釋--從誕生到死亡 (Black Holes Explained – From Birth to Death)
    • In their core, nuclear fusion crushes hydrogen atoms into helium, releasing a tremendous amount of energy.

      在它的核心內,核融合將氫原子組合成氦原子,釋放出極大量的能量。

    • In their core, nuclear fusion crushes hydrogen atoms into helium, releasing a tremendous amount of energy.

      在它的核心內,核融合將氫原子組合成氦原子,釋放出極大量的能量。

    B1 中級

    動物農業的生命週期評估與溫室氣體排放! (Life Cycle Assessment and Greenhouse Gas Emissions from Animal Agriculture)

    20:43動物農業的生命週期評估與溫室氣體排放! (Life Cycle Assessment and Greenhouse Gas Emissions from Animal Agriculture)
    • It is the fourth most abundant chemical element in the universe, behind hydrogen, helium, and oxygen.

      美國及全球的溫室效應排放

    • behind hydrogen, helium and oxygen. The biggest reservoir of carbon is stored

      排在氫,氦和氧氣之後。存放最多碳的地方在

    B2 中高級

    史丹佛奈米製造設施:乾式蝕刻 - 選擇乾式蝕刻製程與設備 (第四部曲/共四部) (Stanford Nanofabrication Facility: Dry Etching - Choosing a Dry Etching Process & Tool (Part 4 of 4))

    18:58史丹佛奈米製造設施:乾式蝕刻 - 選擇乾式蝕刻製程與設備 (第四部曲/共四部) (Stanford Nanofabrication Facility: Dry Etching - Choosing a Dry Etching Process & Tool (Part 4 of 4))
    • And finally, in terms of etch temperature, many of our tools have backside helium used to improve the heat transfer between the wafer and the electrodes.

      最後,在蝕刻溫度方面,我們的許多工具都使用背面氦氣來改善晶片和電極之間的熱傳導。

    • And finally we, we, uh well, in terms of X temperature we have many of our tools have backside helium used to improve, uh, the heat, uh, transfer between the wafer and the electrodes.

      對於硅和鍺的蝕刻,我們使用鹵素、氟、氯、溴來形成鹵化物、揮發性鹵化物。

    B2 中高級

    Trion ICP / RIE 乾式蝕刻標準操作程序! (Trion ICP / RIE Dry Etch - Standard Operating Procedures)

    14:38Trion ICP / RIE 乾式蝕刻標準操作程序! (Trion ICP / RIE Dry Etch - Standard Operating Procedures)
    • This one is helium.

      你想去找工作人員,他們會幫你打開。

    • This one is helium.

      這個是氦氣。

    B1 中級

    一顆星星是如何誕生的?✨ (HOW IS A STAR MADE?)

    04:11一顆星星是如何誕生的?✨ (HOW IS A STAR MADE?)
    • After the hot, dense Big Bang, the universe was dark and cold, filled mainly with hydrogen and some helium atoms, spread vastly apart floating through space in a time known as the Dark Ages.

      今天

    • After the hot, dense Big Bang, the universe was dark and cold, filled mainly with hydrogen and some helium atoms, spread vastly apart floating through space in a time known as the Dark Ages.

      在熾熱、緻密的宇宙大爆炸之後,宇宙是黑暗和寒冷的,主要充滿了氫原子和一些氦原子,它們分佈得很分散,漂浮在太空中,這個時期被稱為黑暗時代。

    B1 中級