Dinitrocellulose
[化] 二硝酸纤维素\\n[医] 硝基纤维素, 火棉
🗣️ 情景例句
He doesn't want anybody picking him up.
他不愿意让别人接他。
What platform does the train leave from?
这班车从哪个站台开出呢？
Did you miss the bus?
你错过公共汽车了？