Pro-r group
[化] 前R基团
🧩 词语组成解析
pro
[prəu]
n. 赞成者;赞成的意见;赞成票，投赞成票者;
adv. 赞成地;肯定地;
group
[ɡrup]
n. 组，团体;群，批;（雕塑等的）群像;（英美的）空军大队;
vt.& vi. 使成群，集合;
vt. 分类，归类;
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
He has forgotten about his job.
他把工作忘得一干二净。
Is the contract all right now?
契约现在这样可以了吧？