necessary 高考四级六级

Good oral communication skills are necessary when speaking to a crowd.

当对人群演讲时，良好的口头沟通技巧是要的。

In order to prevent infection, it is necessary to properly deterge and disinfect the wound.

为预防感染，有要适当地对伤口进行清洁和消毒。

In designing a machine it is necessary to reduce friction as much as possible.

在设计一种机器时, 须尽可能减低摩擦。

The entry of all expenditure is necessary.

有要把一切开支入账。

Firstly, an analysis on the jurisprudent basis of the freedom of association is necessary.

首先，研究结社自由就有要对结社自由的法理基础进行探讨。

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

法院效率低是因为缺乏要的执行机制。

It is necessary to get the youth to have a high ethical concept.

须使青年具有高度的道德观念。

A large income is not necessary for the full enjoyment of life.

要生活得十分愉快不一要有高收入。

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

有要查证这些说法是否真实。

It’s necessary for us to net the currant bushes.

我们有要用网盖上红醋栗树。

A retrial was necessary after the original trial ended with a hung jury.

由于初审中陪审员裁意见不一致，所以要复审。

Dream is the necessary psychal power in the common life.

理在生活中是一种不可少的精神动力。

Should make the patient maintains lukewarm thaw quiet, can give when necessary tranquillizer and aconite.

应使病人保持温暖和安静，要时可给以镇静剂和止痛剂。

It is sometimes necessary to indulge a sick child.

迁就一个生病的小孩有时是要的。

They were plotting how to obtain the necessary information.

他们正在策划如何获取要的情报。

The children worried the necessary permission out of their father.

孩子们缠着他们的父亲不放, 终于得到了许可。

It is necessary that one should obey the law.

一个人遵守法律是要的。

The ability to do this will be necessary in future flights to distant planets.

"在将来向遥远的行星飞行的时候,要这样的能力。"

The doctors held a consultation to decide whether an operation was necessary.

医生们会诊以是否要动手术。

It is necessary to exercise caution when making commendations.

做推荐时有要谨慎一些。