移动电话就是我们平时说的手机，可以随身带着，随时打电话。

移动电话 is what we usually call a mobile phone, which you can carry with you and make calls anytime.

这个词比较正式，日常生活中大家更常说“手机”。

This term is more formal; in daily life, people more often say “手机” (mobile phone).