Sharks, it seems, are completely colour blind.
他们，似乎全部都是色盲 。
Sharks may be able to smell blood from miles away, but they probably don't know how red it is: New research suggests sharks are color-blind.
鲨鱼可以在数英里外就嗅到鲜血的腥味，但是他们很可能并不知道血是红的：最新研究表明，鲨鱼其实是色盲。
It makes sense that sharks might be color-blind, the study team noted.
研究团队指出，鲨鱼可能是色盲，其实是有道理的。
If sharks' retinas cannot distinguish between different colours of light, as this research suggests, they may be totally colour-blind.
如果鲨鱼的视网膜不能够分辨出不同颜色的光线，就如这项研究所述，那么他们很可能全都是色盲。
According to the BBC on January 18, researchers in Australia have discovered a secret weakness of Sharks, which seem are completely color blind.
据英国广播公司1月18日报道，澳大利亚科学家近期研究发现鲨鱼的一个秘密弱点，那就是，鲨鱼很可能是色盲。
According to the BBC on January 18, researchers in Australia have discovered a secret weakness of Sharks, which seem are completely color blind.
据英国广播公司1月18日报道，澳大利亚科学家近期研究发现鲨鱼的一个秘密弱点，那就是，鲨鱼很可能是色盲。
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