1 (on a beach or by a river) the part of the SHORE (= the land at the edge of the water) between the highest and lowest levels reached by the water （海滩或河边的）前滩，前滨（高潮线和低潮线之间的地带）

2 the part of the SHORE (= the land at the edge of the water) between the highest level reached by the water and the area of land that has buildings, plants, etc on it 水边土地（高潮线和有建筑物、树木等的地区之间的地带）