阳光白龙
关机有两种情况:1.关机的动作 turn off , eg.I like turning off my phone in class.2.关机的状态 power off, eg.His number is powered off.这句你在给别人打电话的时候应该有听到过。
ShangHaiWendy
turn off one's mobile phone把手机调成振动状态 set your cell phone to vibrant statemute 静音 silent mode 静音模式
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