Harkerite
硼硅鈣鎂石
??? 情景例句
We can have somebody come by, but it won't be right away.
我們可以派人去，但現在不行。
Nothing is really beautiful but truth.
只有真理才是真美。
This letter's full of mistakes. I want you to type it again.
這封信里錯誤百出。我要你重打一遍。