Covalence
n. 共用电子对数, 共价\\n[化] 共价
🗣️ 情景例句
The roads are packed with holiday makers.
路上挤满了度假的人。
Some people are too conscious of how they dress.
有些人对自己的衣着过于考究了。
supplying the rocket fuels for its ships,
作为航天飞船的燃料。