yǔ / shuǐ / chōng / shuā / hòu / qiáng / shàng / de / yán / sè / jiàn / jiàn / biàn / qiǎn / le雨水冲刷后,墙上的颜色渐渐变浅了。After being washed by the rain, the color on the wall gradually became lighter.