Wilkeite
硅硫磷灰石
??? 情景例句
A small one will do. What is your best rate?
小型車就可以了。你們最優惠的價格是多少？
It's up in the air.
尚未確定。
She was taking the things out of the basket when she dropped a bag of sweets.
她把東西從籃子里拿出來，這時，一袋糖從她手里掉地了。