He has been slaving in the garden for hours.他在花园里干了数小时.He stares at the hundreds of workers slaving away in the intense sun.他凝视着在炎炎烈日下辛苦劳作的几百名工人。When you're busy all day the last thing you want to do is spend hours ...
The wheel revolved on its centre.轮子绕中心转动。He revolved the main points in his mind.他脑子里反复思考着这些问题。The conversation revolved around the terrible condition of the road.这次对话主要讨论这条路的糟糕路况。Overhead, the fan revolved slowly...风扇在头...