基本解释多毛类同根派生 polychetes相关词英汉例句As the fish grew,there was a general tendency toeat crustaceans mainly juvenile shrimps(mysis)and crabs(megalopa),followedby young fishes,young molluscs and young polychetes. 随着鱼体之逐渐成长则改食虾蟹类幼苗，仔稚鱼，软体动物幼苗以及多毛类之幼苗。polychetes更多例句