Metatorbernite
偏铜铀云母
🗣️ 情景例句
Richard, these are terrific pictures. Richard
这些照片真棒。
He devoted himself completely to his work.
他完全投身于工作。
Economy is one powerful motive for camping, since after the initial outlay upon equipment,
图省钱是露营的一个主要动机，因为除了开始时购置或是租借一套露营装备外，