Lindackerite
砷鎳銅礬
??? 情景例句
It's the biggest company in the country.
它是全國最大的。
Would you ever have imagined him becoming a politician?
你想過他能當上政治家嗎？
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我們所知道的現有恒星數目估計約有30億×1000億顆。