Horizon
01
地平线
the line where the sky and earth seem to come in contact with each other
例子
From the mountaintop, they could see the city skyline on the horizon.
从山顶上，他们可以看到地平线上的城市天际线。
02
the limit or extent of one's experience, interests, or outlook
例子
Scientists are constantly pushing the horizons of knowledge.
03
a distinct layer of soil or subsoil in a vertical section of land, differing in composition or color from adjacent layers
例子
Geologists identified several horizons rich in clay.
04
the circle on the celestial sphere whose plane passes through both the observer's visible horizon and the Earth's center
例子
The celestial horizon divides the visible sky from the unseen half.
