rotation [rəʊˈteɪʃn]以下由轻松背单词网站提供
单词级别第10级基本释义n.旋转;循环,轮流英英释义when something moves in a circle around a fixed point参考例句Crop rotation helps prevent soil erosion. 农作物轮作有助于防止水土流失。The workers in this workshop do day and night shifts in weekly rotation. 这个车间的工人上白班和上夜班每周轮换一次。 推荐阅读 |