Ferrosilicate
铁硅酸盐
🗣️ 情景例句
What's inside?
这里面是什么？
One woman, in Peru, was saved from an earthquake by lying between two mattresses.
秘鲁的一位妇女，躲在垫子之间从地震中死里逃生。
I don't know. sir.
我不知道，先生。