Pyroxylin
[化] 胶棉; 弱棉\\n[医] 火棉, 二硝化纤维素
✅ 同义词
🗣️ 情景例句
We're in the phone book.
我们家的电话号码 可以在电话簿上查到。
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
Nobody has ever solved this problem.
没有人曾解决过这个问题。