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Most sea stars have five arms, but some can grow as many as 50 arms.rn大多数海星长有5个腕,但也有一些有多达50个腕.rnSea stars can't see as well as we do. They ha
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Most sea stars have five arms, but some can grow as many as 50 arms.rn大多数海星长有5个腕,但也有一些有多达50个腕.rnSea stars can't see as well as we do. They have simple eyes at the end of each arm.rn海星的视力不如我们.它们的眼睛构造简单,长在每个腕的末端.
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