Ostium
n. 口, 门, 孔\\n[医] 口, 门口
🗣️ 情景例句
They are taking initiatives to build up a digital government.
他们尝试打造数字化政府。
How much do you know about the works of Henry Wadsworth Longfellow?
你对亨利·朗费罗的工作知道多少？
I'm writing.
我在写字。