Janeckeite
硅酸三钙石
🗣️ 情景例句
Did you know that the Empire State Building is short, when compared with many of the skyscrapers today?
你知道吗？帝国大厦如果和召集的许多摩天大厦相比其实并不高。
I ask him to see the doctor.
我要求他去看医生。
What's wrong, Jim?
怎么了？吉姆？