氢和氦

Hydrogen and helium

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
它含有非常少的氢和氦。
It contained very little hydrogen and helium.
2
有些能量凝结成了粒子，这些粒子组合形成了轻原子如氢和氦。
Some of this energy congealed into particles, which assembled into light atoms like hydrogen and helium.
3
当宇宙最初从大爆炸中诞生时，整个世界基本上就是由氢和氦组成的。
When the universe emerged from the Big Bang, it consisted almost entirely of hydrogen and helium.

点击反馈