a wall built to prevent the sea or a river from covering an area , or a channel dug to take water away from an area
发音
例句
1. If one sheep leaps over the dyke, all the rest will follow. 一只羊跳过沟,其余的羊也跟着跳。 2. One ant-hole may cause the collapse of a thousand-li dyke. 千里长堤,溃于蚁穴。