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
Stocks, shares and bonds are good alternatives for personal investment.
储蓄、股票和债券是个人投资很好的选择。
Misers put their back and their belly into their pockets.
爱财如命。
CUSTOMS OFFICER: Are these your cases?
这些是你们的箱子吗？