Peristomial
围口的
🗣️ 情景例句
Come on, you can make it.
振作起来，你一定行。
She is an honor to our school.
她是我校的光荣。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。