phe·nyl·al·a·nine /ˌfɛnḷˈæləˌnin, ˌfi-/
苯氨基丙酸
phe·nyl·al·a·nine /ˌfɛnḷˈæləˌnɪn, ˌfɪn-/ 名詞
phenylalanine
n : an essential amino acid found in proteins and needed for
growth of children and for protein metabolism in children
and adults; abundant in milk and eggs; it is normally
converted to tyrosine in the human body