Klockmannite
六方硒铜矿, 蓝硒铜矿
🗣️ 情景例句
Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太，下午好。我想让你认识一下我的女朋友萨里。
Late repentance is seldom true.
后悔少有诚意。
But mine are better than yours. Look! Yours are green, and quite small.
但我的比你的好。瞧！你的是青的，而且很小。