一人一把涂料滚子，对着坑洼不平的壁子，仔细地上下滚动着。

One a paint roller, rested on the jagged wall facing child, carefully rolling up and down.

youdao

一人一把涂料滚子，对着坑洼不平的壁子，仔细地上下滚动着。

One a paint roller, rested on the jagged wall facing child, carefully rolling up and down.

youdao