electric toothbrush 电动牙刷
an electric toothbrush 一把电动牙刷 ; 电动牙刷
Electric Toothbrush And Etc 电动牙刷等
The Electric Toothbrush 本电动牙刷
Sonic electric toothbrush 声震牙刷
Rotary electric toothbrush 发明名称
Electric toothbrush manufacturer 公司简介
Oral-B Professional Electric Toothbrush 博朗专业护理声波电动牙刷
An intervention could be, for example, to give some patients an electric toothbrush that helps them care for their mouths better, while other patients just get a regular toothbrush.
举例来说，干涉就是在一些病人用普通的牙刷时，给另一些病人一把电动牙刷，它能帮助他们更好地照顾他们的口腔。
He has developed several prototypes of hand-cleaning devices that can be mounted on walls, as well as a portable, battery-operated model the size of a large electric toothbrush.
他发明了好几种洁手装置的原型机，这些机器可以悬挂在墙上，跟那种便携式的电动模型一样，大小相当于一支较大的电动牙刷。
The first cordless rechargeable electric toothbrush was introduced by General Electric at the same time.
与此同时，通用电气公司推出了第一个可充电的电动牙刷。
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