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
That was not the case.
事实并非如此。
Business may be troublesome,but idleness is pernicious.
事业虽扰人，懒惰害更大。
The day after tomorrow will be sunny.
后天转晴。