turn on, turn off, turn up, turn down讲解、练习及答案
turn on, turn off, turn up, turn down讲解、练习及答案turn on与turn off相对应;turn up与turn down相对应。其中on, off, up, down均为副词,当代词作宾语时,应置于动词和副词之间。★turn on表示“打开”,常指开灯或打开家用电器。★turn off表示“关掉”,常指关掉自来水、电灯以及家用电器等。★turn up表示
时间:2023-07-21 热度:73℃