Reaction boundary
[机] 反应曲线
🧩 词语组成解析
🗣️ 情景例句
I've just been the victim of a robbery.
我被抢劫了。
At open doors dogs come in.
狗从开着的门中进来。
The winch was again put into operation and one of the men started up the truck.
绞盘机再次启动，一位工人发动了急修车的引擎。