Klaprothite
(=klaprotholite)脆硫铜铋矿
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
I often watch TV at night.
我常常在晚上看电视。
You always know the right thing to say.
你说话得体。