1. The workers opened the sluices to release water. 工人们打开水闸放水。

2. The sluices control the flow of water in the canal. 这些水闸控制运河中的水流。

3. Heavy rain forced the sluices to operate automatically. 大雨使水闸自动运行。

4. Engineers inspected the sluices after the flood. 洪水过后工程师检查了水闸。

A: Why are the sluices open today?
A：今天为什么打开了水闸？

B: Because the river level is too high after the rain. B：因为下雨后河水水位太高了。

1) 控制水流的工程装置或系统

2) 用于排水或灌溉的闸门结构
3) 在矿业中用于冲洗矿石的水道

1. 水闸；水门；排水装置

e.g. The sluices were opened to prevent flooding. 打开水闸以防止洪水。

2. 排水渠道系统

e.g. Water flowed through the sluices into the fields. 水通过水渠流入田地。

noun

1. structures used to control or direct the flow of water, especially in canals, rivers, or mining operations

Synonym: water gates, floodgates