Julienite
[矿]天青钴矿
🗣️ 情景例句
Mrs. Greenberg is on the phone.
Greenberg太太打电话来。
I don't like the rush of the city.
我不喜欢纷繁忙碌的城市生活。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。