pararthropoda节: joint; knob; node足: foot; leg动物: animal节足动物门: arthropoda有用节足动物: useful arthropods; useful qcv arthropods下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:节足动物,即可在微信中查询翻译