1·The first-order effects of the stirrup were dramatic.
马镫的一阶效应已是非常巨大。
2·The huge social changes wrought by the stirrup took centuries to play out.
马镫引起的巨大社会变革花了几个世纪才完成。
3·The social, economic, and legal systems that developed to support the mounted troops persisted for nearly a thousand years, long after the actual advantage of the stirrup had been neutralized.
即便是在金属马镫的优势消失之后的很长一段时间里，那些为了维持骑兵队伍而出现的社会、经济以及法律系统仍然持续了一千多年。
4·For answer Shasta put his foot in the stirrup of the horse which had been led towards him and a moment later he was in the saddle.
马牵过来了。作为回答，沙斯塔把脚踏在马镫上，很快就坐到马鞍上了。
5·Stirrup is an important part of harness.
马镫是马具的一个重要的部分。