英语语法分析

The dam builders underestimate the risk of spillway failure.

水坝工程师低估了泄洪道失控的风险。

In early July 2010, the lake finally began flowing over the spillway.

2010年7月初，堰塞湖终于通过泄洪渠开始放水。

Water pouring over the spillway appears white, likely resulting from its rapid flow.

泄洪渠上的水流呈现出白色，估计是快速流动的关系。