Labuntsovite
硅钛钾钡矿
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
I want a package deal including airfare and hotel.
我需要一个成套服务，包括机票和住宿
You wouldn't have met her if it hadn't been for him.
如果不是他，你就见不到她。