Decobra
德可布拉铜镍锌合金
🗣️ 情景例句
then there can't be a wedding.
婚礼就不能举行了。
Millions of thanks to you all, and don't forget to finish your dinner before it get cold.
十分感谢大家，大家快趁热吃吧。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，