Inoculant
[机] 接种剂
🗣️ 情景例句
From childhood.
在我小的时候。
He who hesitates is lost.
举棋不定，坐失良机。
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？