The primroses should begin to seed themselves down the steep hillside.
报春花应该开始沿那个陡峭的山坡一路撒播种子了。
《柯林斯英汉双解大词典》
3
As it crashed down the steep mountainside like a gigantic snowplough, it swept up trees, boulders and tons of topsoil, and completely crushed and destroyed the six villages that lay in its path.