名词

1.地平线

2.可数名词：（欲望、知识或兴趣的）范围，眼界

英语解释

a specific layer or stratum of soil or subsoil in a vertical cross section of land

the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth

the line at which the sky and Earth appear to meet

the range of interest or activity that can be anticipated