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nonessential/
.nɑnə'sεnʃəl
'nɔnɪ'senʃəl
/
1.adjective
不重要的;非必需的;非本质的
2.noun
不重要的人[东西]
3.adjective [Biochemistry]
非必需(氨基酸)
4.adjective
非本质的,不重要的
5.noun
不重要的人(或物)
6.adjective
(氨基酸)非必需的