碘缺乏最严重的后果是脖子上出现甲状腺肿，或者是明显的残疾，比如呆小症和侏儒症。
The result in extreme cases is large goiters that swell their necks, or other obvious impairments such as dwarfism or cretinism.
碘缺乏最严重的后果是脖子上出现甲状腺肿，或者是明显的残疾，比如呆小症和侏儒症。
The result in extreme cases is large goiters that swell their necks, or other obvious impairments such as dwarfism or cretinism.
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