I'm back at the park again.

我又回到了公园。

You're now back at the square.

你现在回到了广场。

Back at school, he wrote a story.

回到学校，他写了一个故事。

Eurydice walked behind him, but Orpheus wanted to look back at his wife.

尤丽迪西走在他后面，但奥菲斯想回头看他的妻子。

With water falling off its thick, brown hair, the bear stared back at me.

熊的厚厚的棕色毛发上滴着水，它盯着我看。

Back at school, David wrote a story about the life of a sixteen-year-old boy.

回到学校后，大卫写了一个关于十六岁男孩生活的故事。

I will be back at once.

我马上就回来。

We shouldn't always look back at the past.

我们不应该总是回首过去。

Looking back at my college life, I learned a lot.

回首大学生活，我学到了很多。

He laughed at his own follies when he looked back at his past.

他回顾过去时嘲笑自己的愚蠢的行为。