Beckelite
方钙铈镧矿
🔁 扩展释义
【化】 方钙┓镧矿
🗣️ 情景例句
I'd love to come. But I have to be on duty this weekend night.
我是想过来，但我周末晚上得值班。
You're kidding, right?
你在开我玩笑吧？
No, they aren't. They're their books.
不，不是我的。这些是他们的书。