右手(shǒu )用力(lì )将木桶的一角(jiǎo )卡在瓦沟里面(miàn ),顺带(dài )糊了一团泥堵上,使木桶不会滑落,他(tā )才放心(xīn )地双手攀(pān )着屋(wū )檐,脚(jiǎo )下用力(lì ),整个人爬上屋顶(dǐng )。和着稀泥修雨补(bǔ )漏不是一件困难的事,困(kùn )难(nán )的是(shì )如何在(zài )瓦沟排列的屋顶上(shàng )站(zhàn )稳脚跟,保证不会(huì )从上面掉(diào )下来。好在少年(nián )对这一切已经熟练(liàn )。爬上(shàng )屋(wū )顶,他(tā )很自然地直起了腰(yāo )身,目光在(zài )屋顶(dǐng )各处扫过,