marathon怎么读

句子The marathon is the longest race at the Olympics.中的介词怎么是用a marathon runner是什么意思 HOW long is the marathon? 用marathon,pair,since造句 who came out first inthe London Marathon] last year at the edinburgh marathon my kenyan 阅读 Yesterday he didn't __ school but ___ Marathon race. as a competitive marathon runner,one should have ( )long run __Olympic Marathon is 26 miles and 385 yards,__distance from how long did the winner take to finish the marathon? 英语:I\'ll visit this year\'s Marathon Expo. The skating marathon has been going for give hours now.