Pyorrhea knives
[医] 脓溢刀, 龈刀
🧩 词语组成解析
n. [医]脓漏, 脓溢
knives
[[naivz]]
pl. 刀子
🗣️ 情景例句
It probably means he's clearing his throat.
也许表示他正在清喉咙。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
As complaints must be made in writing, the Ombudsman receives an average of 1,200 letters a year.
由于意见均需用书面形式提出，司法特派员每年平均收到1，200封信。