Microsin
小菌素
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
That's a tough question to answer.
那是一个很难回答的问题。
We are prohibited from smoking on school grounds.
我们被禁止在校园内抽烟。