http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
nonessential [美 ˌnɑnəˈsɛn(t)ʃ(ə)l, 英] 形
在《PONS词典》中的词汇
英语
西班牙语
西班牙语
英语
在《PONS词典》中的词汇
I. nonessential [ˌnan·ɪ·ˈsen·tʃəl] 形
- nonessential
- secundario, -a
II. nonessential [ˌnan·ɪ·ˈsen·tʃəl] 名词
- nonessential
-
单语范例（未经PONS编辑处理）
This process is an important step in the synthesis of some non-essential amino acids (amino acids that can be synthesized de novo by the organism).
en.wikipedia.org Wood sought to head off inflationary wage claims by subsidising essential rationed goods, while imposing heavy taxes on goods classed as non-essential.
en.wikipedia.org Since the tower was to be demolished within the next few years, the university administration had to avoid all non-essential renovation work.
en.wikipedia.org During the shutdown, most non-essential government employees were furloughed.
en.wikipedia.org This track may also contain other non-essential files, and is shown by operating systems when loading the disc.
en.wikipedia.org