maintain

[mein'tein]

vt.维持, 维修, 保养, 坚持, 断言

例句与用法：

Mankind have been trying every means to maintain the balance of nature.

人类采用一切手段保持生态平衡。

We must maintain a firm attitude.

我们必须采取坚定的态度。

The government has taken a measure to maintain the stability of prices.

政府已经采取了措施以确保物价稳定。

Mindful of the need to maintain efficient communication, the board of directors decided to construct a new communication network.

董事会注意到维持有效通讯的需要，因此决定建立一个新的通信网。

In order to maintain physical well being, a person should eat wholesome food and get sufficient exercise.

为了维持身体健康，一个人应该吃有益健康的食品，并经常锻炼身体。

The car has to be constantly maintained.

汽车必须经常保养。

He is too poor to maintain his family.

他太穷了，无法养活家人。

Part of my job is to maintain good relationship with our suppliers.

我的部分工作是同我们的供应商保持良好的关系。

词形变化：

形容词: maintainable | 名词: maintainability | 动词过去式: maintained | 动词过去分词: maintained | 动词现在分词: maintaining | 动词第三人称单数: maintains |

详细释义：

vt.

1. 维持; 保持; 使继续

Ann and Mary maintained their friendship for the next thirty years.

安妮和玛丽在此后的三十年中一直保持着她们之间的友谊。

2. 维修, 保养

Frank maintains his car very well.

弗兰克把自己的车子保养得很好。

3. 坚持; 主张; 断言[+(that)]

He maintains that he once saw a UFO.

他坚持称自己曾看见过飞碟。

4. 供养, 抚养; 负担, 支持

Mr. Smith maintains his son at college.

史密斯先生供养念大学的儿子。

5. 保卫, 坚守