Dinitrocellulose
[化] 二硝酸纤维素\\n[医] 硝基纤维素, 火棉
🗣️ 情景例句
Thanks, Mom.
谢谢，妈 。
No, You'll have to get off at the bank and take the A52.
不去。你到银行那一站就得下车，改乘A52路的。
No problem! Tell me, do I have to take them before or after meals?
“那不难！告诉我，我是在饭前还是饭后吃呢？”