我国是一个多地震国家，地震区分布范围广，发震频繁。

Our country is a seismic country where earthquake frequently happens and where seismic area is widely distributed.

youdao

我国是一个多地震国家，地震区分布范围广，发震频繁。

Our country is a seismic country where earthquake frequently happens and where seismic area is widely distributed.

youdao