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来源：雅诚德英语网
Each year about 200,000 children end up in hospital emergency rooms with playground injures.
每年约有20万儿童因在操场受伤而住进医院急诊室。
Each year about 200,000 children end up in hospital emergency rooms with playground injures.
每年约有20万儿童因在操场受伤而住进医院急诊室。