北部的北德维纳河向北流经1350英里注入白海，全年封冻期竟长达190天。好评(0)。

The northern Dvina (1350 miles), which flows into the White Sea, is ice-blocked for 190 days.

youdao

北部的北德维纳河向北流经1350英里注入白海，全年封冻期竟长达190天。好评(0)。

The northern Dvina (1350 miles), which flows into the White Sea, is ice-blocked for 190 days.

youdao