Amarillite
黄铁钠矾
🗣️ 情景例句
Yes, I know that.
是的 ，我知道。
Mother begins baking cookies two weeks before Christmas.
自圣诞节的两周以前，母亲就开始做小甜饼了。
We'll have to cancel if we don't get that order soon.
如果不能很快拿到货，我们只有取消啦。