Canada has a lot of fresh water lakes.

加拿大有许多淡水湖泊。

Boyang Lake is the largest fresh water lake.

渤阳湖是最大的淡水湖。

That's being caused by a lack of rainfall this year, which is impacting the fresh water lakes nearby upon which the canal relies.

这是由于今年降雨量不足造成的，影响了运河附近淡水湖的储水量。

This beautiful fresh water lake on the plateau covers an area of 256.5 square kilometers, with an average depth of 10 meters and a maximum depth of 20 meters.

湖面面积256.5平方公里平均湖深10米最大湖深达20米是一个风光秀媚的高原淡水湖泊。