Ostium
n. 口, 门, 孔\\n[医] 口, 门口
🗣️ 情景例句
Emergency Assistance, may I help you?
紧急事故救援中心，有什么需要帮助的吗？
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiosity or for sport, as in riding the bow waves of a ship.
当它们偶尔把一个失去知觉的人推到岸边时，更大的可能是出于好奇或游戏，就像它们追逐被船首犁开的浪花一样。