water cannon
英 [ˈwɔːtə kænən]
美 [ˈwɔːtər kænən]
n. 水炮(警方用以驱散人群)
牛津词典
noun
- 水炮（警方用以驱散人群）
a machine that produces a powerful flow of water, used by the police to control crowds of people
柯林斯词典
- (警察用于驱散人群的)高压水枪，水炮
Awater cannonis a machine which shoots out a large, powerful stream of water. It is used by police to break up crowds of people who are protesting or fighting.
英英释义
noun
- a hose (carried on a truck) that fires water under high pressure to disperse crowds (especially crowds of rioters)