tin中等

It was a musician who discovered the planet Uranus in the 18th century by making his own telescope with mirrors composed of copper and tin.

18世纪，正是一位音乐家用铜锡合金制成的镜片自制望远镜，发现了天王星。

This is now a question for Gloria Mackenzie, an 84-year-old widow who recently emerged from her small, tin-roofed house in Florida to collect the biggest undivided lottery jackpot in history.

这正是格洛丽亚·麦肯齐如今面临的问题。这位84岁的寡妇最近从她在佛罗里达州那间铁皮屋顶的小房子里走出来，领取了史上最大的一笔独得彩票头奖。