This includes 30, 000 species of land animals - including humans - and a similar number of ray-finned fish, the scientists found.
科学家们发现这些动物包括3万种陆地动物，和一小部分鳍刺类鱼。
This includes 30,000 species of land animals - including humans - and a similar number of ray-finned fish, the scientists found.
科学家们发现这些动物包括3万种陆地动物，和一小部分鳍刺类鱼。
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