like charge repel ; unlike charges attract什么意思

like charge repel ; unlike charges attract什么意思 charge charge charge. charge charge charge bodies with like charges repel each other; those with unlike charges attract each other这句话大概意思是同性电荷相斥,异性电荷相吸.但是请问这句话的like和unlike是什么词性,如何解释 SAT2物理上面的一道题An electrically charged,insulated metal rod is observed to attract a neutral pith ball and,after contact is made,to repel the ball,which of the folling sentence could be true.the rod's charge before and after the contact h repel down 是啥意思?repel down 有击退的意思,还有其他的意思吗? I wanna be your car,You turbo charge me if you like The big silvered head lowered,like that of a bull about to charge take charge take charge charge是什么意思 take charge charge是什么意思 local charge