任一种主要生活在温暖沙带的活跃且色彩鲜艳的食虫虎甲科甲虫，有大的颚，其幼虫行动迟缓并生活在垂直的地洞里。

Any of numerous active, brightly colored, predatory beetles of the family Cicindelidae, chiefly of warm, sandy regions, having large jaws and sluggish larvae that live in vertical burrows.

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一种毛颚动物门中的，细小的海生虫，有细长几乎透明的身体，嘴的两侧有镰刀形的毛须。

Any of various small, slender Marine worms of the phylum Chaetognatha having a narrow, almost transparent body and sickle-shaped bristles on each side of the mouth.

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一种毛颚动物门中的，细小的海生虫，有细长几乎透明的身体，嘴的两侧有镰刀形的毛须。

Any of various small, slender Marine worms of the phylum Chaetognatha having a narrow, almost transparent body and sickle-shaped bristles on each side of the mouth.

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