Ol group
[化] 桥羟基
🧩 词语组成解析
[医] 油
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
Grandpa taught me.
爷爷教我的。
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，