1、mobilephone:a telephone that you can carry with you and use in any place 移动电话，手机cellphone=a cellular phone: a telephone that you can carry aronnd with you,that works from a system that uses a network of radio stations to pass on signals (利用无线电通讯网的)蜂窝电话，手机可见两者强调的方面不同。

2、一个强调移动，另一个强调无线电通讯。