Natural use materials that contrast the color and/or texture of the signaling area (rocks, brush, branches, stomped grass).

信号区域中颜色、纹理差异较大的材料（岩石，树林，树枝，践踏过的草地等）

youdao

At once, the snow changed over to sleet, which ticked against the fallen leaves and rocks and dripping branches, a miniature symphony of the natural world.

转眼间，雪变成冰雨，滴滴答答地扣在落叶上，石头上，垂枝上，奏出一曲自然界的小小交响乐。

youdao

At once, the snow changed over to sleet, which ticked against the fallen leaves and rocks and dripping branches, a miniature symphony of the natural world.

转眼间，雪变成冰雨，滴滴答答地扣在落叶上，石头上，垂枝上，奏出一曲当然界的小小交响乐。

youdao

He swung it around, he stabbed trees and rocks, he whacked branches and relieved them of their snowy burden.

NEWYORKER: Max at Sea