Wittichenite
脆硫铜铋矿, 硫铋铜矿
🗣️ 情景例句
I suggest that we go climb White Cloud Mountain tomorrow.
我建议明天一起去爬白云山。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个，我说哪一个都没有关系。[动词时态一致，这是中国人学习英语最头痛的一个问题。]
As the Maori had no written language, the stories of Maori history were handed down from generation to generation.
由于毛利人当时没有书面语，毛利人的历史故事是一代一代传下来的。