The river level fluctuates greatly. Therefore we designed an intermediating pool that draws its water from the river.

河流水位波动较大，因此，我们设计了一个中间池，从河里引进水流。

youdao

Hundreds of thousands of people were evacuated as the river level rose and broke through waterlogged dikes and embankments.

成千上万人因水位上涨和堤坝浸水而疏散。

youdao

If the conditions were right - a steady rain to raise the river level and no moon - they could catch several tons of eel in one night.

如果条件得当，在雨夜，大雨导致河水上涨，这样一个晚上就可以捕获大量的鳗鱼。

youdao

Six South Koreans were killed when the water in the shared Imjin River rose quickly to twice its usual level.

VOA: standard.2009.09.09

Water in the South Korean portion of the Imjin River surged Sunday more than four and a half meters, about twice its usual level.

VOA: standard.2009.09.07

Tuesday as a result of circulating-water pumps being affected by high river level and debris in the waterway.

FORBES: Storm Shuts 3 Nuke Plants; 'Alert' Remains At Oyster Creek

It wasn't like a giant wave came in, but the water actually at the river level just rising very quickly.

NPR: Photographer Feels Weight of His Myanmar Images

The agency said the river level was not likely to cause much disruption but more rain meant it could peak at Christmas.

BBC: Shrewsbury flood defences put up as river rises