Soluble nitrocellulose
[机] 火棉胶
🧩 词语组成解析
n. 硝化纤维\\n[化] 硝酸纤维素
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
Some persons do first, think afterwards, and then repent for ever.
有些人做了再思考，从而悔恨终身。
There, on the floor. Is it your ticket?
那儿，地板上！是你的票吗？