Lemma
n. 辅助定理, 论点, 引理\\n[医] 膜, 衣
✅ 同义词
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
It is harder to marry a daughter well than to bring her up well.
养女容易嫁女难。
No, not those.The one on the shelf.
不，不是那几只。是架子上的那几只。