英语翻译：
brake; gate; sluice gate; switch
【化】 brake
【医】 switch
相关词条：
1.gate 2.brake 3.anchorgate 4.barrier 5.switch(board) 6.fastener 7.draw-gate 8.floodgate
例句：
- 水闸用门关住的水道的一部分，如运河。其中通过升高或降低这部分的水位可以抬升或压低运输中的船只
A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section.
- 这辆自行车没闸--你要骑可太危险了。
The bicycle has no brakes you ride it at your peril.
- 水流经水闸时十分湍急。
Water went rushing through the lock gates.
- 他们打开水库的闸门。
They open the sluice gates of reservoir.