它们叮叮当当地敲击着排气管，砰然掉落在露台顶上。

They plink on the pipe and plunk on the patio roof.

youdao

它们叮叮当当地敲击着排气管，砰然掉落在露台顶上。

They plink on the pipe and plunk on the patio roof.

youdao