Orienting group
[化] 定向取代基
🧩 词语组成解析
[计] 确定方向
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
Yes, Alexandra.
对， Alexandra。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
Then she introduced us to Carlos and told us they would get married next week'.
然后她把我们介绍给卡洛斯，并告诉我们说他们下星期结婚。”