1、maintain

維持;保持

The Department maintains many close contacts with the chemical industry.

這個部門與化工行業保持著眾多密切的聯系。

Push yourself to make friends and to maintain the friendships.

要求自己與人交友并保持友誼。

斷言;宣稱;堅稱

He has maintained that the money was donated for international purposes.

他堅稱這筆捐款將用于國際用途。

Prosecutors maintain no deal was made.

原告堅持說不存在任何交易。

保持，維持（在某一比率或水平上）

The government was right to maintain interest rates at a high level.

政府維持高利率的做法是正確的。

action is required to ensure standards are maintained at as high a level as possible.

要求采取行動確保標準維持在盡量高的水平上。

2、surround

圍繞;環繞

The small churchyard was surrounded by a rusted wrought-iron fence.

不大的教堂墓地周邊圍著一圈生銹的熟鐵柵欄。

The shell surrounding the egg has many important functions.

蛋殼有許多重要的功能。

與…密切相關;圍繞

The decision had been agreed in principle before today's meeting, but some controversy surrounded it.

該決定在今天的會議之前就已達成原則上的共識，但圍繞這一決定還存在一些爭議。

Once the euphoria surrounding this victory subsides, reality must return.

這場勝利的喜悅退去后，人們將不得不回歸現實。