necessary信息详情
n.必需品
adj.必要的；必需的；必然的
n.(Necessary)（英）内塞瑟里（人名）
necessarily───adv.必要地；必定地，必然地
unnecessary───adj.不必要的；多余的，无用的
necessaire───必要时
accessary───n.附件；（服装的）配饰；从犯（等于accessory）；adj.辅助的，副的；补充的（等于accessory）
necessity───n.需要；必然性；必需品
necessaires───必要的
necessarian───adj.必然论的（等于necessitarian）
necessaries───n.必需品（necessary的复数）
the necessary───必要的
If necessary I can come at once.───如果有必要，我可以马上来。
I can take the car if necessary.───如果必要的话，我可以乘汽车去。
Sometimes it is necessary to say no.───有时候说“不”是必要的。
Even if you can't eat like a health nut all the time, at least you'll get most of your necessary vitamins with the help of a supplement.───即使你不能像一个很注重养生的人一样时时都吃维生素，至少也用通过补充获取大部分必要的维生素。
Consequently, a third test was necessary to see if these abilities could have been learned.───因此，有必要再进行一项实验，观察这些能力能否通过后天学习取得。
Even after he had completely abjured violence he was honest enough to see that in war it is usually necessary to take sides.───即使在他发誓彻底放弃暴力后，他也诚实地明白在战争中经常必须要选择一方。
Then you can fill in the gaps, clear up misinformation, and, if necessary and appropriate, explain what you know from your own experience.───然后，你就可以填补空白，把他们误解的厘清，而且，如果必要和合适，解释从你自己经验中你所获知的东西。
Necessary up to a point, but quite dull, and not something that deserves a place in management literature.───虽然在一定程度上是必需的，但是相当枯燥，也没有资格在管理学文献中占有一席之地。
Nobody wants to see that happen. Yet it may happen all the same, and Mr. Obama has to be willing to let it happen if necessary.───没有人愿意看到这种情况变成现实。但是，也许它终归会变成现实，而在必要的情况下，奥巴马必须心甘情愿地任由它变成现实。
Attractive label is very necessary.
To travel through the world it is necessary to have the mouth of hog, the legs of a stag, the eyes of a falcon, the ears of an ass, shoulders of a camel, and the face of an ape, and overplus, a satchel full of money and patience.
If God did not exist, it would be necessary to invent Him.
You can slide the front seats forward if necessary.
Nothing so necessary for travellers as languages.
Hospital admission is not necessary in most cases.
I will do so, if necessary.
It is necessary to keep these two issues distinct.
It's reassuring that we've got the money if necessary.