Killian's operation
[医] 基利安氏手术(治额窦积脓)
🧩 词语组成解析
🗣️ 情景例句
An oil tanker ran aground and lost about 15,000 gallons of gas into the sea.
一般油轮搁浅，把 15000 加仑油倾泻在海里了。
Oh no! It's starting to rain.
哦，糟了！开始下雨了！
Winter is a cold season.
冬天是一个，寒冷的季节。