不要玩手机用英文表达Dont play with mobile phones; mobile adj.可移动的;流动的;非固定的;行动方便;腿脚灵便;易于变换社会阶层(或工作、住处)的; n.风铃...
performer动词是perform。perform的意思是做,履行,执行,演出,表演,工作。perform的例句The system is inadequate for the tasks it has to perform(这...