2--Yeah, there are two different colored trash cans in the back.

1--Is there a difference between the two?

2--Well, one is for recycling and the other is for trash.

1--Can you tell me which color is the one for recycling?

2--That would be the blue trash can.

1--And the black trash can is for regular trash?

2--Yes, that is correct.

1--On what day does the garbage truck come by to pick up the trash?

2--It comes every Thursday.

1--Thank you for your help. Take care.

2--Sure. Don't mention it.

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注解：
 
1.dispose处理
2.trash垃圾
3.recycling回收

===================================
译文：

1--你知道我可以把垃圾扔到哪吗？

2--是的，后面有两个不同颜色的垃圾桶。

1--两个桶有什么区别吗？

2--嗯，一个是可回收的，另一个用来放垃圾。

1--你能告诉我哪个是放可回收物品吗？

2--是那个蓝色的垃圾桶。

1--那个黑色的垃圾桶用来放普通垃圾？

2--是的，你说对了。

1--垃圾车在哪天过来带走垃圾？

2--它每周四来。

1--谢谢你的帮助。保重。

2--当然。不客气。