This is the 4678th most frequent Japanese word.
斜面
Slope; slanting surface.
斜面 refers to the inclined surface of the mountain, emphasizing its suitability for skiing.
この山の斜面はスキーに最適です。
The slope of this mountain is perfect for skiing.
Here, 斜面 describes the gradual incline of the terrain, highlighting the condition caused by the rain.
雨の後、斜面が滑りやすくなっています。
After the rain, the slope has become slippery.
斜面 indicates the sloping land or hillside in this context used for construction planning.