有时候夜深了，忽然远远送来尖锐的吹哨声，原来是跑文书的人来了。

Sometimes, in the deep of the night, we would hear the sound of a distant horn. That meant the courier was coming.

youdao

有时候夜深了，忽然远远送来尖锐的吹哨声，原来是跑文书的人来了。

Sometimes, in the deep of the night, we would hear the sound of a distant horn. That meant the courier was coming.

youdao