Kerchenite
纤磷铁矿
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
We can offer you a price of 8 pounds per item, from 20 days, after which the price will be subject to an increase of 5%.
我们给您报价每件8英镑，有效期20天，过期价格增加5%。
We're going to leave at about seven thirty next Monday morning.
我们打算下星期一早上7：30 左右出发。