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
Yeah, we caught lots of them. Look!
当然 我们抓到不少鱼。看！
He that knows nothing, doubts nothing.
无知就无疑。
Learning English is like building a house.
学英语象盖房子。