Neither of them broke step: In silence both raised their left arms in a kind of salute and passed straight through, as though the dark metal was smoke.

谁也没有停下脚步：两个人都沉默的以一种特殊的敬礼方式举起他们的左臂，接着径直的穿了过去，似乎那黑色的金属仅仅只是烟雾。

youdao

So the process of the first step is the light and dark, the next step through a process towards, the third step is to edge in a curved, the end of the work was.

所以该工序的方法第一步是先由浅拉深，第二步完成冲孔工序，第三步是边孔处的弯曲，最后是落料的工作。

youdao

There will be much talk about how the eurozone crisis can be solved, what the next step should be in the US where a debt ceiling still casts a dark shadow over optimism, and about how income inequality has become a problem for all - rather than merely an advantage for haves over have-nots.

BBC: Davos 2013: 'Dynamic resilience' in a volatile world