marathon

n.马拉松赛跑；持久的活动，显示耐力的活动 a.马拉松式的，(时间，距离等)漫长的

manufacturing, manumission, manumit, manure, manuscript, Manx, Manx cat, Manxman, many, many a, many-sided, Maori, map, map-reader, maple, maple sugar, maple syrup, maquis, mar, marabou, maraschino, marauder, marauding, marble, marbled, marbling, marcasite, March, march past, marcher, marches, marchioness, Mardi Gras, mare, margarine, margin, marginal, marginally, marguerite, marigold, marijuana (also marihuana),