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1·In our country the doctor said I only have a color weakness, so that I could drive a car.

在我国医生说我只是色弱，所以可以开车。

2·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。

3·Symptoms include weakness, lack of energy, poor appetite, weight loss, metallic or ammonia taste in the mouth, skin color changes, and worsening memory.

虚弱，乏力，食欲不振，体重减轻，口中有金属或氨味，皮肤变色，记忆减退。