1、defend

防御;保卫;保护

Every man who could fight was now committed to defend the ridge.

每个能够参加战斗的男子现在都决心要保卫这条山脊。

His courage in defending religious and civil rights inspired many outside the church.

他在捍卫宗教和公民权利时所表现出来的勇气鼓舞了许多教会之外的人。

替…辩护;为…辩解;维护

Matt defended all of Clarence's decisions, right or wrong.

克拉伦斯的决定，不管对错，马特都予以维护。

The author defends herself against charges of racism by noting that blacks are only one of her targets.

面对种族主义指控，作者替自己辩护说黑人只是她的抨击目标之一。

卫(冕)

Torrence expects to defend her title successfully in the next Olympics.

托伦斯希望在下届奥运会上能够卫冕成功。

India had to struggle to beat defending champions South Korea 2-0.

印度队苦战之下才以 2 比 0 击败卫冕冠军韩国队。

2、surround

围绕;环绕

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

不大的教堂墓地周边围着一圈生锈的熟铁栅栏。

The shell surrounding the egg has many important functions.

蛋壳有许多重要的功能。

包围;围住

When the car stopped in the town square it was surrounded by soldiers and militiamen.

当汽车停在城镇广场时立刻被士兵和民兵包围了。

He tried to run away but gave up when he found himself surrounded.

他试图逃跑，但发现已被包围时只好放弃了这个念头。

与…密切相关;围绕

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

该决定在今天的会议之前就已达成原则上的共识，但围绕这一决定还存在一些争议。

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

这场胜利的喜悦退去后，人们将不得不回归现实。