Monosubstituted
[医] 一原子置换的, 单基置换的
🗣️ 情景例句
I'm busy packing for the journey.
我为外出旅行，正忙着打点行李。
You can leave the cooking to me.
做饭的事你尽可以交给我。
A shoal of fish will do this.
鱼群也反射声音。