Mendelyeevite
(=mendeleevite)钙铌钛铀矿
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
The dogs bark, but the caravan goes on.
我行我素，岂管他哉。
One day, Mrs. King asked Lucy to go shopping for her.
一天，金太太叫露西帮她去买东西。