Alkylide
烃基化物
🗣️ 情景例句
Well, if they're not,
噢， 假如店不开的话，
I sometimes stay up till midnight.
我有时候熬到半夜。[一般现在时]
Looking up I saw that we were surrounded by children in rags who were looking at us silently as we ate.
我抬头一看，发现我们被一群衣衫褴褛的小孩团团围住了，他们在默不作声地看着我们吃饭。