1.Money was a primal necessity to them.

1.对于他们,钱是需。

2.You must understand the necessity of education.

2.你必须懂得教育必性。

3.He urged the necessity for immediate action.

3.他强烈求立即采取行动。

4.Provide the bare necessities of life, especially food; keep away hunger.

4.供给生活必需品, 特别是食物, 以免于饥饿。

5.Water is a necessity of life.

5.水是生命必不可少。

6.Telephone is now a household necessity.

6.现在电话是一种家庭必需品。

7.Food and clothing are necessities of life.

7.食物和衣服都是生活必需品。

8.The necessity for nuclear nonproliferation seems clear.

8.防止核扩散必性似乎楚楚。

9.I was compelled to do so by absolute necessity.

9.我因绝对需， 被迫这样做。

10.We must all, of necessity, die sooner or later.

10.我们大家迟早都会死。

11.Being a professional actor of necessity means working nights and Sundays.

11.作为职业演员必然意味着晚上和星期工作。

12.Necessity is the mother of invention.

12.需是发明之母。

13.Objective To investigate the particularity of therapy of bilateral nephroblastoma (BWT)and necessity of lifetime follow-up.

13.目探讨双侧肾母细胞瘤(BWT)治疗方法特殊性及终生随诊必性。

14.Except for what he spent on haircuts,books and daily necessities he never wasted a penny.

14.除了理发、买书和必用品之外,他从不浪费一分钱。

15.Necessity caused me to come.

15.我不得不来。

16.She is now in necessity.

16.她现在很穷。

17.His identity of a foreign official exempted him from the customs duties for these basic necessities.

17."他是个外交官,因而这些用品免除关税。"

18.Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

18.结合跃进煤矿锚杆支护现状,探讨了锚杆支护参数优化设计必性和重性。

19.Prevents the breath myospasm to cause to suffocate, when necessity makes a great effort the tube incision, the intermittent positive pressure gives the oxygen.

19.防止呼吸肌痉挛导致窒息，必时作气管切开，间歇正压给氧。

20.Chapter four is the research on diversity architectures of agriculture technique extension mode, analyzing the necessity that diversified mode constuct. several magistral modes is comparative studied.

20.第四章,多元化农业技术推广模式构建。