Umbo
n. 盾心的浮雕装饰, 壳顶, 鼓膜凸\\n[医] 突, 圆头
🗣️ 情景例句
Let's make it 6:00 at your place, is that OK?
咱们六点在你们家见，好吗？
When love puts in,friendship is gone.
爱情进入，友情完结。
I don't know.
我不知道。