Collophane
胶磷矿
🗣️ 情景例句
Well, you can write to her.
嗯，你可以写信给她。
Math major
专攻数学
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。