Dinitrocellulose
[化] 二硝酸纤维素\\n[医] 硝基纤维素, 火棉
🗣️ 情景例句
He makes a good living.
他过得很优裕。
It's not fun for me.
我觉得一点意思也没有。
'I left the money in my room,' I said, 'and it's not there now.
“我把钱放在房间里，”我说，“可现在没有了。