膨胀后的气囊呈球型南瓜状，表面有规则排列的沟槽。
The expanded air sac presents a microspheric squash shape, and the surface is provided with slots which are arranged in order.
膨胀后的气囊呈球型南瓜状，表面有规则排列的沟槽。
The expanded air sac presents a microspheric squash shape, and the surface is provided with slots which are arranged in order.
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