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It had 4 flippers that looked like paddles. 它的四个鳍状肢看起来就像划桨一样。
A bizarre creature whose body was dwarfed by its long, thin neck and tail, Elasmosaurus swam using four flippers. 薄片龙是一种样子古怪的蛇颈龙，活像长着超长脖子的侏儒一般，靠四个鳍状肢游动。