当雨水开始猛烈地敲打窗户的时候，本正在帮助他的妈妈做饭。

Ben was helping his mom make dinner when the rain began to beat heavily against the Windows.

youdao

当雨水开始猛烈地敲打窗户的时候，本正在帮助他的妈妈做饭。

Ben was helping his mom make dinner when the rain began to beat heavily against the Windows.

youdao