“会说话”的垃圾桶为了提高人们的环保意识,芬兰坦佩雷市环卫部门在公园里安放了许多“会说话”的垃圾桶。当人们掀开垃圾桶的盖子,向桶内投放垃圾时,垃圾桶会亲切地说声“谢谢”。这种垃圾桶的盖子内安装了一个手机大小的传感发声装置,当桶盖被掀起时,传感发声装置就会播放事 Talking Trash Bin In order to raise people's awareness of environmental protection, the environmental protection department of Tampere, Finland, placed many “talking” trash bins in the park. When people lift the lid of the trash can to throw rubbish into the bucket, the trash can say “thank you” affectionately. The lid of this trash can contains a cellphone-sized sounder that sings when the lid is lifted