氦的原子数是2。
Helium has an atomic number of two.
《生活大爆炸 第7季》《The Big Bang Theory Season 7》
不给钱,不给氦,看来我们陷入了逼和的局面。
Ah, no money, no helium. Seems we're at a, stalemate.
《生活大爆炸 第九季》《The Big Bang Theory Season 9》
你一不小心直视氦氩激光暂停一轮并失去一只眼睛的视网膜。
You accidentally stare at a helium argon laser. Lose one turn and a retina.
《生活大爆炸 第三季》《The Big Bang Theory Season 3》
然后单词He并非男性的代词,而是H-E氦元素的缩写。
And then the word He, it wasn't the masculine pronoun, but rather, H-E, the abbreviation for helium.
《生活大爆炸 第7季》《The Big Bang Theory Season 7》
但我们现在知道,你不小心把斯奈普桃汁掉进氦氖激光器的时候会发生什么了。
But now we know what happens when you accidentally spill Peach Snapple into a helium neon laser.
《生活大爆炸 第二季》《The Big Bang Theory Season 2》
你这是干嘛,兽主甘?这是跟70年代的罪案连续剧学的,你先把氦给我们。
What ya doing, Skippy? Exactly what 1970s television crime dramas have taught us. You give us the helium first.
《生活大爆炸 第九季》《The Big Bang Theory Season 9》
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氦弧焊
heliarc welding
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氦弧切割
heliarc cutting
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氦弧焊机
heliarc welder
用氦填充气球,使其漂浮。
Fill the balloon with helium to make it float.
科学家使用氦来冷却超导磁体。
Scientists use helium to cool superconducting magnets.
罐中的氦足够填充五十个气球。
The helium in the tank is enough to fill fifty balloons.
木星的表面主要由氢和氦组成。
The surface of Jupiter is primarily composed of hydrogen and helium.
海王星的大气主要由氢和氦组成。
The atmosphere of Neptune is composed mainly of hydrogen and helium.
气球充满了氦气体。
The balloon is filled with helium gasses.
天王星的大气层主要由氢和氦组成。
The atmosphere of Uranus is composed mostly of hydrogen and helium.
由于氦的低沸点,它常用于科学实验。
Helium is often used in scientific experiments due to its low boiling point.
氦是一种非常轻的气体。
Helium is a very light gas.
氦是最轻的稀有气体.
Helium is the lightest rare gas.

中英释义: