coral
中海洋中生长的红色或白色的坚硬物质,由小动物骨骼堆积而成hǎiyáng zhōng shēngzhǎng de hóngsè huò báisè de jiānying wùzhì, yóu xiǎo dòngwù gǔgé duījī érchéng
This sea area has beautiful coral reefs.
coral
中海洋中生长的红色或白色的坚硬物质,由小动物骨骼堆积而成hǎiyáng zhōng shēngzhǎng de hóngsè huò báisè de jiānying wùzhì, yóu xiǎo dòngwù gǔgé duījī érchéng
This sea area has beautiful coral reefs.
coral
coral
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