在工业上，金刚石可以用作工具表面坚固、耐腐蚀的覆盖层。In industry, diamond can form a tough, non-corrosive coating for tools.覆盖层屏蔽掉了放射性.Overburden had concealed the radioactivity.覆盖层升高至地表.The confining material rises to the surface....
Do you know how many pencils I could buy Sudanese school children?你知道我能为苏丹的孩子们买多少铅笔 吗 ?A Sudanese man illuminates hieroglyphs an ancient tomb in Al Kurru.一位苏丹人照亮了库鲁古墓墙上的象形文字.International Court Seeks Indictment of Sudane...
Vincent loomed over me, as pale and grey as a tombstone.文森特赫然耸现在我面前，面色灰白得像一块墓碑。Barbara looked increasingly downcast as defeat loomed.当败象已呈时，芭芭拉看上去越来越沮丧。The great house loomed up ahead of them.大屋赫然耸现在他们面前。...
到半程时，威尔士的世界级选手马修·波斯特尔位居第三。Welsh international Matthew Postle was third fastest at the halfway point.它最高的火山是早已熄灭的奥林波斯山。Its tallest volcano, long extinct, is Olympus Mons.这些问题请教波斯纳教授算是问对人了。These questions were tailor-made ...