如何使用 "helium" 造句
- 1. Previous observations had traced only incoming helium atoms .
- 以前的观测只追踪了氦原子。
- 2. Single-ion helium occurs when one electron is lost .
- 氦离子是氦原子失去一个电子形成的。
- 3. Stars like our sun fuse hydrogen in their cores into helium .
- 太阳一类的恒星在其核心将氢融合成氦。
- 4. Note that hydrogen and helium are the major constituents of jupiter 's atmosphere .
- 需要注意的是木星有大气层，其主要成分是氢和氦。
- 5. A crane carrying the capsule follows the helium balloon during the launch on sunday .
- 星期天，在准备起飞期间一个起重机正吊着一个带有氦气球的气压舱。