Sinus
n. 窦, 静脉窦, 凹陷处
📖 牛津释义
sinus
n
cavity in a bone, esp any of the air-filled spaces in the skull that are connected to the nostrils 窦(骨骼中的空穴, 尤指颅骨中的).
🗣️ 情景例句
Our vicar is always raising money for one cause or another,
我们教区的牧师总是为各种各样的事筹集资金。
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