Point mutation
[化] 点突变
🧩 词语组成解析
🗣️ 情景例句
Let me show you this.
我给你看看这个。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
If you are citing a train, it is always better to be comfortably early than even a fraction of a minted too late.
如果赶火车，早到总比晚到好，哪怕早到一会儿也好。