n.

1. 水闸，水门；闸沟[C]
2. （水闸拦住的）蓄水，（从水闸放出的）泄水[U]
3. 泄水管；泄水道[C]
4. 洗矿槽；（冲运木材用的）斜水槽[C]

vt.

1. （开水闸）排泄
   sluice out the water in a reservoir

   开闸放出水库里的水

2. 【美】冲运（木材）
3. （用水流）冲洗，淘洗
   sluice the deck with hoses

   用水管冲洗甲板

vi.

1. （水）奔泻，奔流；泄出
   Water sluiced through the pipe.

   水从水管中流出来。

n.

1. (also sluice gate) a sliding gate or other device for controlling the flow of water, especially in a lock gate.
2. (also sluiceway) an artificial water channel for carrying off overflow or surplus water.
3. an act of rinsing or showering with water.

v.