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
It's Grandma's recipe.
这是奶奶的配方。
He is attending a morning intensive course four hours a day, six days a week.
他每周六早晨都上一门4小时的速成课。
It had been purchased by a local authority so that an enormous pie could be baked for an annual fair.
某地方当局买下它用来焙制一个巨大的馅饼为一年一度交易会助兴。