从去年10月到今年3月，王凤琴和她的志愿者们在小区里挨家挨户地敲门，宣传垃圾分类知识。
From October last year to this March, Wang and her group went door by door in the community to teach residents how to classify garbage.
从去年10月到今年3月，王凤琴和她的志愿者们在小区里挨家挨户地敲门，宣传垃圾分类知识。
From October last year to this March, Wang and her group went door by door in the community to teach residents how to classify garbage.
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