Monosubstituted
[医] 一原子置换的, 单基置换的
🗣️ 情景例句
Nervous about the opening tonight?
对今晚开幕感到紧张吗？
Our own actions are our security, not others' judgements.
我们的行为是自己的保证而不是别人的鉴定。
John had very good day and put his wallet containing $3,000 into the microwave oven for safekeeping.
有一天约翰的生意很好，他把一只装有3，000 英镑的钱包放进微波炉内保存。