Shuǐ / kù / tōng / guò / lán / xù / yǔ / shuǐ / lái / jiǎn / shǎo / hóng / shuǐ / fēng / xiǎn。

水库通过拦蓄雨水来减少洪水风险。

The reservoir reduces flood risks by intercepting and storing rainwater.