Umbo
n. 盾心的浮雕装饰, 壳顶, 鼓膜凸\\n[医] 突, 圆头
🗣️ 情景例句
This is sensational!
太令人激赏了！
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。