Slidac
滑线电阻调压器
🗣️ 情景例句
I've invited you here for the weekend to help celebrate.
我邀请你们到这儿来渡周末， 一起庆祝。
I would like to place a person-to-person call.
我要打一个叫人电话。
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。