游泳速度是奥林匹克纪录保持者的n倍?谁啊!
Unitrans世联
文章转载自 21英语微商城 21世纪英文报
The ocean has many good swimmers. Sailfish (旗鱼) are some of the fastest swimmers. A sailfish can swim up to 110 kilometers per hour! 大海里游得最快的动物是谁?旗鱼就是其中之一!它的最高速度可达110公里/时!
Why can sailfish swim so fast? Large gill 鱼鳃 I get more oxygen (氧气) from the water. 旗鱼的鱼鳃可以帮它从水里获得更多氧气。
Who is faster?
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