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
Have you ever been there?
你去过那儿吗？
He apologized for having offended her visitors.
他因为冒犯她的客人而向她道歉。
But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下，只是在现代对于科学史家来说，伽利略才变成一个新的难题。