Ostium
n. 口, 门, 孔\\n[医] 口, 门口
🗣️ 情景例句
The snow's really coming down.
雪下的真是大。
Not let the grass grow under one's feet.
不失时机。
'You must give up fishing!' my friends say.
“你可别再钓鱼了！”我的朋友们说，