Lemma
n. 辅助定理, 论点, 引理\\n[医] 膜, 衣
✅ 同义词
🗣️ 情景例句
He has a large family to feed.
他要养活一个大家庭。
Mad dog bites his master.
疯狗咬主人。
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。