Each one of them 等于 一个词语

Each one of them 等于 一个词语 in each and every one of them这句话对吗 each one of them came at a different tme.each后面为什么加 one every one of等于each one of吗 either of them 和 each of them each students是三单吗?each of them Each of them teaches only one subject.改为They ()teach()()()on 英语翻译Long long ago,there were ten suns.Each day,one of them s These picture are wonderful,and each one of them impresses p each of them 和each of these的区别? one of them ,one of whom 区别 each of them算单数还是复数