Subgroup b
[化] 副族
🧩 词语组成解析
subgroup
['sʌbgru:p]
n. 小群，隶属的小组织，子群;
vt. 给…加副标题;
🗣️ 情景例句
They get better and better.
它们越来越好。
Marriage comes by destiny.
姻缘命中定。
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。