蓄水的英文：
sluice

参考例句：

water storage works on sloping land
坡面蓄水工程

This causeway joins Solitary Hill with the city, backing up water that could irrigate some 40 000 hectares of farmland
此堤联接孤山，蓄水灌溉，当时有近4万公顷田地受益。

sluice是什么意思：
n. 水门,水闸,蓄水
vt. 泄洪,冲洗
vi. 奔流

Pour as if from a sluice.
像打开水门般倾泻下来。

Out of the sluice springs an exhaustible supply of water
水从水闸中源源不断的涌出。

The sanitation worker has to sluice the steps down every day.
这个清洁工每天都用水清台阶。

Out of the sluice springs an inexhaustible supply of water.
水从水闸中源源流出。

Sluice ore,ie to separate it from gravel,etc
冲洗矿砂(使之与砂砾等分开)