mobile vacuum cleaner

例句：

1. 1.The car is very mobile and can be easily moved around.
   这辆车非常灵活，可以轻松地移动。
2. 2.Mobile phones have become an integral part of our daily lives.
   手机已经成为我们日常生活不可或缺的一部分。
3. 3. The mobile phone has revolutionized the way we communicate.
   手机已经彻底改变了我们的沟通方式。