Retention form
[医] 固位形(牙洞)
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
🗣️ 情景例句
Well, I think I'm going to go get us all some vegetables.
好啦 我想我去给大家盛点蔬菜来。
Old birds are not to be caught with shaff.
老谋是不会失算的。
There is a boat in the river.
小河里有一条船。