Calclacite
醋酸氯鈣石
??? 情景例句
It is too expensive. How about half the price?
太貴了，半價怎么樣？
Waste of time is the most extravagant and costly of all expenses.
浪費時間是一切花費中最奢侈豪華的費用。
Realizing that this was no ordinary fish, the fisherman made every effort not to damage it in any way.
那位漁民意識到這根本不是一條普通的魚，于是千方百計不讓它受到絲毫傷害。