Polymerrization
[电] 重合
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
I will be going to school in a few weeks from now.
我将在几个星期后上学去。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？