Retention class
[计] 留置类别
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
class
[klæs]
n. 班;等级;阶级;种类;
vt. 把…归入某等级，把…看作（或分类、归类）;把…编入某一班级;
adj. 很好的，优秀的，出色的;
vi. 属于…类（或等级），被列为某类（或某级）;
🗣️ 情景例句
So I'd like to go over the details with you.
因此，我想同你们谈谈细节性的问题。
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
Don't trust to chance!
不要碰运气。