中文翻译与英英解释

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). 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。

absolutely essential

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

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,

例句与用法

It seems neither necessary nor credible .
这看来既非必需，也不可信。

No antivenin was necessary in this series .
在这一组中不需抗蛇毒素。

I can shut myself off if necessary .
如果有必要的话，我会甩开你的。

He stood up to me when necessary .
在必要的时候，他会反对我的意见。

Everything would be done that was necessary .
应该办的事情都会去办的。

If necessary we'll fight on the rhine .
必要时我们将在莱因河作战。

All necessary materials should be on hand .
一切必须的材料应准备就绪。

These reference books are necessary to us .
这些参考书是我们所必需的。

Love is necessary to a successful union .
美满的婚姻必定需要爱情。

We have taken all the necessary steps .
我们已经采取了一切必要的措施。