Mesyl
甲磺酰基
🗣️ 情景例句
You'll be fine.
你不会有事的。
Are you clear in your own mind what you ought to do.
你自己是否清楚该做什么？
He could hear their crying, also children's voices.
他可以听到妇女们的哭声，还有孩子们的声音。