释义 |
necessityne·ces·si·ty /nəˈsɛsət̬i / noun (plural ne·ces·si·ties)- [uncountable] (formal) necessity (for sth / to do sth) being necessary; need必要性;需要◆Is there any necessity for change?有改变的必要吗?◆There's no necessity to write every single name down.没有必要把名字个个都写下来。
- [countable] something that you must have必不可少的东西;必需品◆Clean water is an absolute necessity.洁净的水是必不可少的。◆Food, clothing, and shelter are all necessities of life.食物、衣服和住所都是生活中必不可少的。
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