Monatomicity
单原子性
🗣️ 情景例句
He has realized how precious health is.
他已经体会到健康的可贵。
All shall be well, Jack shall have Jill.
有情人终成眷属。
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？