Monosubstituted
[医] 一原子置换的, 单基置换的
🗣️ 情景例句
Robbie went to pick up the clip-on bow ties.
Robbie去拿夹上去的领结。
When should I get to the airport?
我该在什么时8点45分之前到那里。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。