helium a信息详情
氦a
helium───n.[化学]氦(符号为He,2号元素)
chorded helium───弦氦
helium space───氦空间
helium balloon───氦气球
helium balloons───氦气球
chorded helium luigi group───弦氦路易吉群
a a───abbr.汽车协会(AutomobileAssociation);嗜酒者互诫协会(AlcoholicsAnonymous);瘾君子互诫协会(AddictsAnonymous);会计学准学士(AssociateinAccounting)
a───art.一;任一;每一
a a o───abbr.美国眼科协会(AmericanAcademyofOphthalmology);美国正牙学协会(AmericanAssociationofOrthodontists);英澳天文台(Anglo-AustralianObservatory);行政上诉办公室(AdministrativeAppealsOffice)
So let's take two cases of shielding if we're talking about, for example, the helium, a helium nucleus or a helium atom.───所以我们来对屏蔽举两个例子,如果我们在讨论氦,举例来说一个氦原子核或者氦原子。
Helium is a very light gas.───氦是一种很轻的气体。
A regulatory agency should ensure that helium is used carefully.───应该有一个监管机构确保氦的使用是谨慎的。
Other probes might be sent skimming by Jupiter's atmosphere to collect helium, a valuable gas that Earth may run out of some day.───另外,我们还希望派遣探测船掠过木星的大气层,收集里面珍贵的氦气,以备未来地球上的氦气用完时使用。
- helium atmosphere
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