Inoculations
n. [医] 接种；接木；接插芽
🗣️ 情景例句
It's too hard to explain.
这很难解释清楚。
The prerequisite for Chinese Lit is Freshman Lit and Comp.
若要从事中国文学，必须在一年级修文学与作文。
They work all day.
他们整天营业。