必要的

It is necessary that one should obey the law.

一个人遵守法律是必要。

They were plotting how to obtain the necessary information.

他们正在策划如何获取必要情报。

We shall have to trim away the unnecessary parts of the spending.

我们必须削减必要开支。

Vulgarity is a very important ingredient in life.

庸俗是生活中非常必要作料。

In certain conditions,answering back sarcastically is necessary.

在某种情况下,反唇相讥是必要。

Elbow pads and knee pads are essential on a skateboard.

滑滑板时带护肘和护膝是必要。

It is sometimes necessary to indulge a sick child.

迁就一个生病有时是必要。

Has she the wherewithal to pay for the trip?

她有必要钱来支付旅行吗？

Don't labour the reader with unnecessary detail.

要用必要细节使读者疲倦。

There’s no sense in taking unnecessary risks.

做必要无意义。

The court is ineffective because it lacks the necessary enforcement machinery.

法院效率低是因为缺乏必要执行机制。

His films are full of gratuitous violence.

他拍影片充满了必要暴力。

The mechanic made the necessary adjustments to the engine.

机械师对发动机作了必要调整。

Food subsidies are necessary for keeping down the price of dairy products and bread.

食品补贴对控制乳制品和面包价格是必要。

Thus adequate proportion of estrogen and progesterone is important for the decidualization.

合适雌孕激素比例对蜕膜化维持是必要。

The situation brings home to us the need for drastic preventive actions.

这种情况使我们深切地感到采取极端行动是必要。

Chairman refused to commit himself on the controversial subject before making due investigations.

主席拒绝在作必要调查研究之前对这个有争论问题表态。

Thousands of children in the world today suffer needlessly.

当今世界有成千上万儿童遭受着必要痛苦。

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

除了理发、买书和必要日用品之外,他从浪费一分钱。

The situation brings home to us the need for drastic preventive measures.

这种情况使我们深切地感到, 采取坚决预防措施是必要。