单词：cryptogramma japonica prantl
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croak n．蛙鸣声 crochet n．钩针织物v．用钩针编织 crook v．使弯曲 crooked adj．弯曲的，扭曲的 crossfire n．交叉火力 crouch v．蹲伏、弯腰 crude adj．未提炼的，粗
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