Ethinylation
乙炔化
🗣️ 情景例句
Are you married or single?
你结婚了还是单身？
I have not traveled everywhere in Guangzhou.
我还没有游遍广州。
We'll get used to that, Bill,' said the vicar.
“大家慢慢就习惯了，比尔，”牧师说。