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 ...
这些虫子用肉眼看不见。The worms cannot be seen by the naked eye.这是肉眼胜过雷达的又一事例。It was yet another case where the human eye outperformed radar.整周都可以用肉眼观察到火星。The planet Mars will be visible to the naked eye all week....