• Sometimes it is necessary to say no.

    有时候说“必要的。

    《柯林斯英汉双解大词典》

  • Repairs are necessary to strengthen the bridge.

    这座需要加固

    《牛津词典》

  • For her, books were as necessary to life as bread.

    来说,面包一样生活必需

    《柯林斯英汉双解大词典》

  • It has been found necessary to make some cuts in the text.

    发现有必要文章删节

    《柯林斯英汉双解大词典》

  • It is not always necessary to gut the fish prior to freezing.

    冷冻之前没有必要总是取出其内脏

    《柯林斯英汉双解大词典》

  • They've been deprived of the fuel necessary to heat their homes.

    他们无法得到住房取暖必需燃料

    《柯林斯英汉双解大词典》

  • It may also be necessary to get a new appraisal of the property.

    可能需要房产新的估价

    《柯林斯英汉双解大词典》

  • It is always necessary to have regard to the terms of the contract.

    记住合同条款总是必要

    《牛津词典》

  • He had the ruthless streak necessary to carry him into the cabinet.

    有着跻身内阁所必需冷酷品性。

    《柯林斯英汉双解大词典》

  • I kept the engine running because it might be necessary to leave fast.

    发动机一直开着因为可能需要快速离开

    《柯林斯英汉双解大词典》

  • To understand why they are doing it, it is necessary to know where they are coming from.

    理解他们为什么这样做,有必要知道他们的想法

    《柯林斯英汉双解大词典》

  • It's necessary to bring a gift.

    礼物是有必要的。

    youdao

  • It's very necessary to use public chopsticks more.

    使用公筷是很有必要的。

    youdao

  • It's necessary to follow the rules in any games.

    任何游戏中,遵守规则都是必要的。

    youdao

  • It's necessary to wear the mask in the groups of people.

    人群中戴口罩是必要的。

    youdao

  • It's necessary to pick up rubbish and put it into dustbin.

    起垃圾,把它放进垃圾箱是必要的。

    youdao

  • I don't think it's necessary to start so early.

    认为没有必要这么早就开始

    youdao

  • It is no longer necessary to dress like everyone else.

    必要穿得别人一样。

    youdao

  • It is not necessary to enroll before the course starts.

    需要课程开始注册

    youdao

  • It is not necessary to set down the rest of the oration.

    没有必要演说其余部分写下来

    youdao

  • At the outset, it seemed necessary to be on guard against the other two.

    一开始似乎必要提防另外两个

    youdao

  • It appears necessary to learn something useful to protect the family from them.

    学习一些有用的东西保护家庭免受它们伤害似乎很有必要的。

    youdao

  • It isn't necessary to know anything about sailingstudents can learn on the ship.

    没有必要知道任何有关航海的知识——学生们可以船上学到

    youdao

  • It may be necessary to buy a new one.

    也许必要新的了。

    《牛津词典》

  • She found it necessary to reassert her position.

    觉得必要重申的立场。

    《牛津词典》

  • It is necessary to examine how the proposals can be carried out.

    必要调查一下怎样才能实施这些方案。

    《牛津词典》

  • Vitamin D is necessary to aid the absorption of calcium from food.

    食物吸取靠维生素D帮助

    《牛津词典》

  • It might be necessary to make a few slight modifications to the design.

    也许必要这个设计处修改

    《牛津词典》

  • It was necessary to discover the truth or otherwise of these statements.

    必要查证这些说法真实性虚假性

    《牛津词典》

  • She had resumed the travel necessary to add depth and colour to her novels.

    重新开始旅行以给小说增加深度趣味

    《柯林斯英汉双解大词典》

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