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
I think I'll catch the train to work from now on.
我想从现在开始我会坐火车去上班。
How long did it last?
持续了多久？
So far, no man has travelled farther than the moon, but spaceships without people have reach other parts of the universe.
到目前为止，尚未有人到过比月球更远的地方，但无人驾驶的宇宙飞船已到达过宇宙的其它地方。