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,一个强调移动,另一个强调无线电通讯Both are correct.　　USA and Canada call it cell phone　　England, Australia and Zealand use term of mobile phoneYes