前几天,妈妈在网上买了一台吸尘器。今天,快递员把货送来了。下午,妈妈决定开始做大扫除,顺便检测一下吸尘器的性能。一打开吸尘器,不到十秒钟,家里的灰尘全都被吸进了吸尘器的肚子里,顺便还把一张桌子、两个垃圾桶、—辆自行车、一张沙发、一个书架、 A few days ago, my mother bought a vacuum cleaner online. Today, the courier sent the goods. Afternoon, my mother decided to start cleaning, the way to test the performance of the vacuum cleaner. A vacuum cleaner, less than ten seconds, all the dust in the house was sucked into the vacuum cleaner’s belly, by the way also a table, two trash cans, a bike, a sofa, a shelf,