blue box

noun
🔊/ˌbluː ˈbɒks/
🔊/ˌbluː ˈbɑːks/
(Canadian English)
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  1. a blue plastic box in which you put rubbish that can be recycled (= processed so that it can be used again) such as paper, cans and bottles
    • If you need a blue box at your house, the city gives them out for free.如果您的房屋需要一个蓝色盒子,城市将免费发放它们。