Bergblau
碳酸銅礦
??? 情景例句
It will take a few years for the region to recover economically.
這個地區的經濟恢復得花幾年的時間。
Better a bachelor's life than a slovenly wife.
過光棍生活，勝過有一個邋遢老婆。
What was it?
怎么啦。