[化] phenylalaninase, phenylalanine-4-hydroxylase
běn bǐng ān suān qiǎng huà méi ㄅㄣˇ ㄅㄧㄥˇ ㄢ ㄙㄨㄢ ㄑㄧㄤˇ ㄏㄨㄚˋ ㄇㄟˊ