Lemma
n. 辅助定理, 论点, 引理\\n[医] 膜, 衣
✅ 同义词
🗣️ 情景例句
How big is your family?
你家有几口人？
I'm afraid there's some sort of misunder standing.
这恐怕有一些误会。
The Chinese people are very friendly.
中国人很友好。