I sat down at the water's edge.

我在水边坐了下来。

《牛津词典》

I lowered myself to the water's edge, getting my feet wet.

我俯下身子靠近水边，把双脚弄湿。

《柯林斯英汉双解大词典》

I walked along the outer edge of the track.

我沿着跑道的外缘走。

《牛津词典》

I walked outside to the edge of the garden, toward the tree.

VOA: special.2009.11.15

As soon as I detect with what we'll call a condition if I'm touching the edge I have to essentially spin around 180 degrees and then continue looping.

一旦我检测到这种情况,当我碰到边界时,我需要转180°然后继续这一循环过程。

哈佛公开课 - 计算机科学课程节选

So I kind of had an edge there.

所以说我在这方面有优势。

体育相片的魅力 - SpeakingMax英语口语达人

At the water's edge I meet an American woman in a wide-brimmed hat, searching for tiny wild orchids.

BBC: Swiss movement

After a morning of staring at the jungle's edge, I was dying to see what lay beyond.

WSJ: Nicaragua's San Juan River by Boat

Looking over the edge, I decided that the vehicles could handle the drop and we started to ease over the ledge.

NPR: Amputee Wounded in Iraq to Return to Active Duty