Chalcocite
n. 輝銅礦\\n[化] 輝銅礦
??? 情景例句
She's moving up the ranks one step at a time.
他一步一步的向上爬。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然記得到北京的第一天。
The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.
早期登山者所尋找的是通往山頂的最方便的途徑，因為頂峰特別是前人未曾到過的頂峰 -- 才是他們尋求的目標。