vt. 1.使成为必需；使需要。 2.强迫,迫使。 短语和例子 Language learning usually necessitates conscious mimicry. 一般地说,学习语言就要进行有意识的摹仿。 We were necessitated to leave at once.我们不得不马上离开。
require as useful, just, or proper; "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not postulate a patient''s consent" 同义词：ask, postulate, need, require, take, involve, call for, demand,
cause to be a concomitant
例句与用法
1.
We were necessitated to leave at once 我们不得不马上离开。
2.
This necessitates subdivision of the area to be reclaimed . 这就必须划分要改良的面积。
3.
This necessitates to differentiate between forecasts and projections . 区分预测和规划是十分必要的。
4.
Language learning usually necessitates conscious mimicry . 一般地说，学习语言就要进行有意识的摹仿。
5.
The lion's right to life necessitates violating the antelope's right to life . 狮子的生存权必然侵犯羚羊的生存权。
6.
This necessitates the greatest expansion possible of the air strength based on china . 这需要尽力扩充以中国为基地的空军实力。
7.
To map 100 mutants by this method would necessitate nearly 5, 000 crosses . 用这种方法来绘制100个突变型的遗传图就要做5000个杂交。
8.
The decision to invade north africa necessitated a complete reversal in our thinking . 进攻北非的决定，要求我们在思想上完全转变。
9.
This job necessitated a knowledge of stenography and typewriting, which she soon acquired . 这工作需要会速记和打字，她不久便学会了。
10.
The lack of fine fractions in the expanded clay necessitates the addition of other aggregates . 膨胀性粘土缺乏细料部分，故必须添加其它骨料。
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