Microclastic
微細屑狀; 細屑質的
??? 情景例句
It is too expensive. How about half the price?
太貴了，半價怎么樣？
When was the last time he wrote you ?
他給你寫最后一次是什么時候？
What on earth has happened to trouble you so?
到底發生什么事讓您如此發愁？