Nitro-cotton
[化] 硝化棉; 硝化纤维素
🧩 词语组成解析
n. 硝基
cotton
['kɑtn]
n. 棉;棉线;棉织物;（其他植物所生的绒毛状的）棉状物;
vi. 喜欢;赞成;一致;交往;
🗣️ 情景例句
Grandpa! Grandpa!
爷爷！ 爷爷！
Don't bother.
不用麻烦了。
The conditions of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
社会上的情况就是如此，技术是必须付钱去买的，就像在商店里要花钱买商品一样。