necessary是什么意思

necessary是什么意思

necessary

adj.  必要的; 必然的;

n.  必需品

双语例句

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

对她来说，书就像面包一样，是生活必需品。

2. Now there is a dawning realisation that drastic action is necessary.  

现在人们开始意识到必须采取断然的行动。

3. Fry remaining peppers, adding a little more dressing if necessary.  

用油炸一下剩下的辣椒，如果需要再加点调味汁。

4. It's only necessary to use just a very small blob.  

只需要很小的一滴就可以了。

5. Carbon dioxide is a necessary result of the oxidation of carbon compounds.  

碳化合物氧化后必然会产生二氧化碳。

6. It is, however, necessary on occasion to work outwith these hours.  

然而，有时候在这些时点之外也需要工作。

7. We are willing to authorize the president to use force if necessary.  

我们愿意授权总统在必要的时候使用武力。

8. He had the ruthless streak necessary to carry him into the Cabinet.  

他具有进入内阁所必需的冷酷性格。

9. Protective measures are necessary if the city's monuments are to be preserved.  

要保存城市古迹必须采取一些维护性措施。

10. "We will take the necessary steps," she said sternly.  

“我们将采取必要措施，”她厉声说道。