Tosyl
[化] 甲苯磺酰基
🗣️ 情景例句
Michelle and her friends are at the aquarium in Brooklyn.
Michelle和她的朋友们在参观 Brooklyn的水族馆。
No. I went to California for a few weeks.
没有。我上加利福尼亚去了几个星期。
What a delicious supper! Next time you must come to us.
多好吃的一顿饭呀！下次你要到我们家作客啊！