名詞 phenylketonuria:

1. a genetic disorder of metabolism; lack of the enzyme needed to turn phenylalanine into tyrosine results in an accumulation of phenylalanine in the body fluids which causes various degrees of mental deficiency
   同義詞：PKU

phen.yl.ke.to.nur.i.a

n.Abbr. PKU（名詞）縮寫 PKU
A genetic disorder in which the body lacks the enzyme necessary to metabolize phenylalanine to tyrosine. Left untreated, the disorder can cause brain damage and progressive mental retardation as a result of the accumulation of phenylalanine and its breakdown products.
苯丙酮尿：一種先天性代謝異常，其機體缺乏將苯丙氨酸代謝成酪氨酸所必需的酶。如果不治療，這種異常會導(dǎo)致腦損傷和精神抑制，這是苯基丙氨酸沉積和其分解物的產(chǎn)物

【引伸】
phen.ylke.tonur.ic
adj.（形容詞）
n.（名詞）