A part or an organ, such as an arm, a leg, a tail, or a fin, that is joined to the axis or trunk of a body.是什么意思_A part or an organ, such as an arm, a leg, a tail, or a fin, that is joined to the axis or trunk of a body.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句