Subgroups
n. 副全宗；亚组, 子组（subgroup的复数形式）
🗣️ 情景例句
It's getting late.
时间不早了。
Thank you for your nice present.
谢谢你那么好的礼物。
What is the deadline for submitting the quotation?
报价截止日是哪一天？