氦

Being both lighter than air and nonflammable, helium is used to inflate balloon s and airships.

由于既比空气轻又不可燃，氦用作充气球和飞艇。

Hydrogen was formerly used to fill airships; nonflammable helium has replaced it.

氢过去用于填充飞船；无味的氦已取代它。

" Balloon :a flexible, nonporous bag inflated with a gas, such as helium, that is lighter than the surrounding air, that causes the bag to rise and float in the atmosphere."

气球：一种有弹性、无孔充气后膨胀的气囊，如充入比周围空气轻的氦气后能使气囊上升并漂浮在大气中。

A flexible, nonporous bag inflated with a gas, such as helium, that is lighter than the surrounding air, that causes the bag to rise and float in the atmosphere.

气球一种有弹性、无孔充气后膨胀的气囊，如充入比周围空气轻的氦气后能使气囊上升并漂浮在大气中

Because of this, the quality of helium-4 nucleus has been reduced.

正因为这样，氦4原子核的质量减少了。

China is one of countries that apply cryosurgery for oncology most early.

中国是世界上最早采用氩氦刀冷冻治疗肿瘤的国家之一。

Objective To study the method,effect and safety of percutaneous targeted argon-helium for liver cancer.

目的 探讨经皮穿刺氩氦刀治疗肝癌的方法、效果及安全性。

The next heaviest element in the periodic table, the inert gas helium, is used for detecting cracks in pressure vessels and the like.

在元素周期表中，接下来的更重些的元素是惰性气体氦气，它常被用作检测压力容器和其他类似东西的裂缝。

" Noble gas:Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon , krypton, xenon, and radon."

稀有气体：通常排列在周期律中最右边一族的六种化学元素：氦、氖、氩、氪、氙和氡。

To better understand the electrical properties of different elements, locate helium on the periodic table.

要更加了解不同元素的电气性质，找出周期表上的氦。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。