Michaelsonite
复硅锆钡矿
🗣️ 情景例句
Will dinner be served on this train?
火车上供饭吗？
I hope you can come back with me.
我希望你能回来和我在一起。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。