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
So, are there any major cultural differences between our two nations?
我们两国间有什么大的文化差异吗？
Yes, I worked from early morning until late at night.
是,我从清早工作直到半夜。
The Officer went through the case with great care.
那位官员十分仔细地把箱子检查了一遍。