necessary的例句,要长的

necessary的例句,要长的

1. 例句：
1.I kept the engine running because it might be necessary to leave fast.
我没让发动机熄火，因为也许需要迅速离开。
2.That didn 't prevent them from pushing through policy changes they deemed necessary.
但只要他们认为有必要，什么都无法阻止他们推进政策改革。
2. 翻译：
necessary
adj. 必要的； 强制的； 必然的； 不可避免的
n. 必需品

It is necessary to have enough rest for our own health.为了我们自身的健康，拥有足够的休息是必要的。

necessary adj. 必要的； 强制的； 必然的； 不可避免的 n. 必需品 Scientific work is differentiated from art by its necessary connection with the idea of progress. 科学工作与艺术的区别在于它与人类进步有着必然联系。 They will meet in Beijing to debate taking necessary actions against environmental pollution. 他们将在北京会晤并讨论采取必要措施防止环境污染。 A climber must learn to discriminate as to when compass bearings are necessary and when they are not. 一个登山者必须学会辨别什么时候需要罗盘测定方位,什么时候不需要。 The National People's Congress holds one session each year. When necessary, the session may be advanced or postponed. 全国人民代表大会每年召开一次会议，必要时，会期可以提前或推迟。