Trinitrocellulose
[医] 三硝基纤维素, 火棉
🗣️ 情景例句
You didn't ruin my day, Dad.
你没有扫我的兴， 爸爸。
To throw a pass
经过
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，