Ianthinite
水铀矿
🗣️ 情景例句
I never really thought about being a mother as a career.
我真的从来没有想到做母亲还是一种事业。
Life is short and time is fleeting.
人生短暂，光阴易逝。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。