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
Yes. That would be much better.
行，那样也好。
It is easier to give good counsel than to follow it.
提出忠告易，照著办事难。
Yes, I'm looking at them right now.
收到了，现在正在看。