Ostium
n. 口, 门, 孔\\n[医] 口, 门口
🗣️ 情景例句
When are you planning to get married?
你准备什么时候结婚？
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield.
当飞机到达时，一些侦探等候在主楼内，另一些侦探则守候在停机坪上。