Monosubstituted
[医] 一原子置换的, 单基置换的
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
Run (or Hold) with the hare and hunt (or run) with the hounds.
两面讨好。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。