没有刺、皮刺或棘刺的。
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没有刺、皮刺或棘刺的。；意志力、勇气或活力薄弱；无脊柱的。；缺乏脊椎；胆小的,缺乏骨气的。
Having no spines, prickles, or thorns.
spineless fins
无棘的鳍
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没有刺、皮刺或棘刺的。
Having no spines, prickles, or thorns.
意志力、勇气或活力薄弱
weak in willpower, courage or vitality
无脊柱的。
Having no spinal column.
缺乏脊椎
lacking a backbone or spinal column
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