water-cannon
柯林斯詞典
1. N-COUNT A water cannon is a machine that shoots out a large, powerful stream of water. It is used by police to break up crowds of people who are protesting or fighting. (警察用於敺散人群的)水砲
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1. N-COUNT A water cannon is a machine that shoots out a large, powerful stream of water. It is used by police to break up crowds of people who are protesting or fighting. (警察用於敺散人群的)水砲