1.The vacuum cleaner has four different attachments.

1.有个不同的附件。

2.He sells vacuum cleaners.

2.经销真空。

3.He travels in vacuum cleaners.

3.到各地推销。

4.I went down on one knee to plug in the vacuum cleaner.

4.我单腿跪下插插头。

5.In his innocence he had allowed the salesman in to discuss vacuum cleaners.

5.傻傻地允许推销员进屋讨论的问题。