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
物理教學 慣性定理 (A Baffling Balloon Behavior - Smarter Every Day 113)
04:41
- 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？
- (High pitched helium voice) Thank you for supporting Smarter Every Day and if you would please download an audio book at audible.com/smarter.
(高八度) 謝謝你支持『每天學多點』，如果有榮幸的話請到audible.com/smarter下載一本語音書。
Brian Cox 談歐洲核子研究組織的超級對撞機 (中英雙字幕) (Brian Cox 談歐洲核子研究組織的超級對撞機 (中英雙字幕))
14:57
- there was hydrogen and helium in the universe. That's all.
氫氣與氦氣充滿了宇宙 there was hydrogen and helium in the universe. That's all.
- 25 percent helium. It still is today.
25%是氦氣, 現在依然如此 25 percent helium. It still is today.
原子到底有多小？ (How Small Is An Atom? Spoiler: Very Small.)
04:58
- Add a proton and a neutron, you have helium.
添加一個質子和一個中子，你有氦氣
我們在宇宙中是孤單的嗎？ (Are You Alone? (In The Universe))
06:44
- In the beginning of the Universe, there were mostly hydrogen and helium atoms.
在宇宙的起源，幾乎只有氫和氦原子。
- In the cores of these stars hydrogen was converted into helium under extreme conditions.
在這些恆星的核心部分的極端的環境中，氫原子被轉換成氦原子。
宇宙中最後一顆星--紅矮星解讀 (The Last Star in the Universe – Red Dwarfs Explained)
05:51
- Like all stars, red dwarfs fuse hydrogen into helium,
紅矮星則是將氦分散到各處，所以紅矮 星中的氫和氦持續不斷的混合一起。
- but while more massive stars accumulate all the fused helium in their cores,
所以在它們死亡之前，它們使用燃料的速度出乎意料的慢
十大震撼人心的科研成果 - TopTenzNet (Top 10 Mind Blowing Scientific Achievements — TopTenzNet)
10:35
- We’ve all heard of helium gas that gives people high pitched voices, but have you ever
我們都聽過吸過氦氣的人發出的高音調聲音，但是你聽過
歐米茄海馬Planet Ocean Calibre 9300/9301 - 視頻手冊 (OMEGA Seamaster Planet Ocean Calibre 9300/9301 - Video Manual)
04:49
- is the helium escape valve.
是專為專業潛水員而設的功能
- a special blend of gasses containing helium.
含有氦氣的特殊混合氣體