Oxazolidinyl
唑烷基
🗣️ 情景例句
How did the test turn out?
考试结果怎样？
Once an opportunity slips away, it is gone for good.
机会一旦错过，永远不会再来。
Han Meimei, please look after the twins today.
韩梅梅，今天请照顾两姐妹。