necessary中文什么意思

adj.
必要的,不可缺的；必须的,强迫的；必然的,必定的。 a necessary result 必然的结果。 a necessary evil 难免的危害[坏事]。 a necessary house 〔古语〕厕所。 be necessary to [for] 为…所必要。 if necessary 如果必要的话。 It is necessary that one should (do). ＝It is necessary for one to (do). +更多解释...某人必须…。n.
1.必需品；〔the necessary〕 〔口语〕必需的金钱[行动]。
2.〔美方〕厕所。
短语和例子
daily necessaries 日用品。 the necessaries of life 生活必需品。 provide [find] the necessary 〔俚语〕筹款。

• be necessary to:    对…有必要
• if necessary:    如果必要的话
• it is necessary that:    是必要的; 他要学世界语

例句与用法

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1. If necessary we'll fight on the rhine .
   必要时我们将在莱因河作战。
2. All necessary materials should be on hand .
   一切必须的材料应准备就绪。
3. These reference books are necessary to us .
   这些参考书是我们所必需的。
4. Love is necessary to a successful union .
   美满的婚姻必定需要爱情。
5. We have taken all the necessary steps .
   我们已经采取了一切必要的措施。

英文释义

a

1. absolutely essential

形容词

1. unavoidably determined by prior circumstances; "the necessary consequences of one''s actions"

名词

1. anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be obtained"
   同义词：necessity, essential, requirement, requisite