"The brain-machine interface is a system that allows disabled people, people suffering from physical disabilities to communicate with external world and also to control devices."

VOA: special.2011.04.04

I think that if a classroom devolves to the point where physical force is required to gain control,

我认为，如果一个课堂秩序十分混乱，以至于要用武力来维持秩序，

反对体罚 - SpeakingMax英语口语达人

I think that if a classroom devolves to the point where physical force is required to gain control,

我认为，如果一个课堂秩序十分混乱，以至于要用武力来维持秩序，

反对体罚 - SpeakingMax英语口语达人