听到脚步声，一只小螃蟹会在岩石间疾速爬行。
A small crab will scutter among the rocks at the sound of footsteps.
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A small crab will scutter among the rocks at the sound of footsteps.
A small crab will scutter among the rocks at the sound of footsteps.
A small crab will scutter among the rocks at the sound of footsteps.
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