Some sea worms, such as the bristle worm, wander the sea floor with a covering of tiny bristles that can deliver a painful sting if threatened.
如果威胁，像刚毛虫这样的一些海洋虫，用能递送一个痛苦的刺的一个极小刚毛的复盖游荡海洋地板。
Some sea worms, such as the bristle worm, wander the sea floor with a covering of tiny bristles that can deliver a painful sting if threatened.
如果威胁，像刚毛虫这样的一些海洋虫，用能递送一个痛苦的刺的一个极小刚毛的复盖游荡海洋地板。
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