Umbos
n. 盾中心的浮雕；壳嘴；鼓膜凸 (umbo的变形)
🗣️ 情景例句
It's locked.
它锁着。
When I saw Mr. Jones,he was talking with John Smith.
当我看见琼斯先生时，他与约翰·史密斯正在谈话。
While the battered car was moving away, Roy stopped his bus and telephoned the police.
当那辆被撞坏的车开走后，罗伊停下车，给警察挂了电话。