残砾 meaning in English

residual boulder

After the bombing there was a lot of debris everywhere .
轰炸过后，到处都是破瓦残砾。
As most of the roads were covered with mud and debris , transporting the relief items was challenging . however this did not halt the progress of the relief mission , and when a rescue team of ten practitioners from formosa arrived to help the medan and jakarta initiates , the additional support filled the relief workers with new energy
由于多数马路都布满了烂泥和破瓦残砾，运输大量的救灾品非常吃力，不过这些困难都不曾阻挠救援工作的进行，尤其是福尔摩沙10位同修随后抵达灾区，更给救援工作增添一批生力军。