Umbos
n. 盾中心的浮雕；壳嘴；鼓膜凸 (umbo的变形)
🗣️ 情景例句
Easy does it, Robbie.
慢慢来， Robbie。
We'd like to know your availability and conditions of sale of this line.
我们想了解一下你方在这方面的供货能力及销售条件。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我们喜欢入迷地看它们做事，它们不知道（但愿如此）我们就在它们身边。