Mendeleyevite
鈣鈮鈦鈾礦
??? 情景例句
Is that all?
就這些嗎？
Do you like traveling?
你喜歡郊游嗎？
It was necessary to recognize that these institutions which are based on the same premises,
必須認識到，這些建立在相同前提基礎上的風俗，