Mendelyeevite
(=mendeleevite)钙铌钛铀矿
🗣️ 情景例句
with Mr. Levine?
与Levine先生的邀约？
I'm going to be late.
我要迟到了。
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。