The cogs gear smoothly.
齿轮啮合得很好。

The cogs don't quite mesh.
这些轮齿啮合不严。

The cogs each of which has ten teeth.
嵌齿轮每一嵌齿轮各有十个轮齿。

If the cogs dont mesh correctly, the gears will keep slipping.
如果嵌齿不能完好啮合, 齿轮就会脱落。

Imagine a thing this high of cogs, hundreds and hundreds of them, and they've got numbers on them.
想象一下这个高度 有几百个那么多 然后它们上面都有编号

With the cogs beginning to turn in my own mind, I was beginning to recall just why I must have been brought here.
整理了一些思绪, 我开始回忆为什么我会被带到这来。