Colloxylin
[医] 火棉, 低氮硝化纤维素
🗣️ 情景例句
The wristband. Something old?
腕带。旧的东西，
He has left already .
他已经离开了。
Only a few kilometres. I think it's about seven. OK. We're all here, now.
谩Ｎ颐嵌嫉狡肓恕?