单词 | tube foot |
释义 | tube foot tube foot n.(名词)One of the numerous external, fluid-filled muscular tubes of echinoderms, such as the starfish or sea urchin, serving as organs of locomotion, food handling, and respiration.管足:海星或海胆等棘皮动物的众多充满液体的外部肌肉管,作为运动、进食和呼吸的器官 |
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