水 ㄕㄨㄟ ˇ shuǐ 俣 ㄩ ˇ yǔ 病 ㄅㄧㄥ ˋ bìng 水 ㄕㄨㄟ ˇ shuǐ 俁 ㄩ ˇ yǔ 病 ㄅㄧㄥ ˋ bìng Minamata disease (mercury poisoning found in Southern Japan in 1956)