shake hands为什么要加S?

shake hands为什么要加S? 为什么 shake hand 的负数是 shake hands shake the bottle before taking the medicine every time为什么SHAKE 不用加S或ING 翻译：shake hands shake hands with英语翻译 英语shake hands shake her hands的英语翻译 let s forget the past and shake hands!翻译成中文 shake shake hand 和shake hands 有什么区别?“握手”到底是shake hand还是shake hands,shake hands有没有“挥手”的意思? shake hands的(动词过去式)是 shake hands with sb.换种表达? You are supposed to shake hands. you're sopposed to shake hands shake hands with one another什么意思 shake hands与shaking hands的区别是什么呢? shake hand 加什么 祈使句please hands up 为什么hand加s 这里 hands 的词性是名词吗?是否有名词开头的祈使句? The English hardly ever shake hands with others The English____ _____ shake hands with others