stonewalling ;
例句:
The acid in the rain slowly ate away at the stone wall.
雨水中的酸性物质慢慢侵蚀着石墙.
It was suspended in the middle of the rock wall.
被悬置在一面石墙的中间.
The rushing wind and rain dashed against the thick stone walls.
狂风暴雨撞击着厚厚的石墙.