repel down 是啥意思?repel down 有击退的意思,还有其他的意思吗?

repel down 是啥意思?repel down 有击退的意思,还有其他的意思吗? DOWN是啥意思 shh down是啥意思? like charge repel ; unlike charges attract什么意思 come down to earth是啥意思 calm down啥意思 burn down 啥意思? slowed down是甚么意思 i am going down是啥意思啊,be gong down有这个用法? 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 knock-down drag-out fight 是啥意思 good morning!...sit down.hi,Polly!是啥意思? ./let+down+sb啥意思? push-down question 是甚么意思? go down the drain的意思是? cutting down的意思是?用法? bring down/ take down意思 get down to the earth啥意思?