adj.含有铁质的n.铁泉，铁剂...

n.踏平的路，惯例，熟路...

The Beatles— I never get tired of listening to them.甲壳虫乐队——我是百听不厌.The Beatles were discovered in the early 1960's.甲壳虫乐队于20世纪60年代初为世人所知。The Beatles enjoyed only middling success until 1963.直到1963年，甲壳虫乐队还只是半红不紫。...

n.披头士（甲壳虫）合唱队...