基本解释n.河床同根派生 river-bed相关词英汉例句用作名词 (n.)The brook warbled over its rocky bed.小溪潺潺流过多石的河床。An ancient bus stopped by a dry river bed.一辆古式的公共汽车停在一条干涸了的河床旁边。river-bed更多例句