He took a step backwards.

他退后一步。

《牛津词典》

I took a step toward him.

我朝他迈出了一步。

《柯林斯英汉双解大词典》

He took a step towards the door.

他朝门口迈了一步。

《牛津词典》

It carried the man who became the first human to step on the moon, Neil Armstrong, a former X-15 pilot.

VOA: special.2010.07.07

So let's step through this with a little more care And I keep saying, before we do it, - let's just actually try it out.

因此我会做做试验,我会去做一些实验性的输入，我可以输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Probably I shouldn't have said it's a two-step process 'cause it's a three-step process to actually write and run it, and the third step is just going to be to run it.

也许我不应该说它是个两步完成的程序,准确来讲，应该是三步，前两步--写，第三步--运行。

哈佛公开课 - 计算机科学课程节选

Though Israel's exasperation is understandable, it would be wiser to take a half-step in response to what some see as a half-step by Hamas.

ECONOMIST: The Middle East

They do this using an algorithm - a step-by-step problem solving procedure.

BBC: NEWS | Technology | 'Guessing' robots find their way

Usually the process involves using both a GPS and digital camera and linking the data later, but there are actually a couple of cameras on the market with built-in GPS. In any case, once your in-laws get wind of this be prepared for a new era of vacation-picture slideshows, with a step-by-step (literally) recounting of the trip.

ENGADGET: GPS photo linking