Each and every are generally used as determiners before singular countable nouns. *each和every一般都作限定词, 用於单数可数名词之前. Each is used when the items in a group (of two or more) are considered individually *each用以指一个群体(至少两个)中个别的个体: Each child learns at his or her own pace. 每个儿童均按自己的进度学习. Every indicates that all the items in a group (of three or more) are being regarded as members of that group. *every指一个群体(至少三个)中侧重於全体的所有个体, 而不在个别的个体. It can be modified by some adverbs 这个词可以受某些副词修饰: Every/Nearly every child in the school passed the swimming test.这所学校的每一个[几乎每一个]儿童游泳都及格了. Each (one) of and every one of come before plural nouns or pronouns, but the verb is still singular *each (one) of和every one of用於复数名词或代词之前, 然而动词仍用单数: Each of the houses is slightly different. 每所房子都稍有区别. * I bought a dozen eggs and every one of them was bad. 我买了一打鸡蛋, 每个都是坏的. * She gave each (one) of her grandchildren 50p. 她给每个孙儿50便士. Each can function as a pronoun on its own *each本身可作代词: I asked all the children and each told a different story. 我问过所有的孩子, 每个人的说法都不一样. It can also follow a plural subject or an indirect object with a plural verb 这个词还可以用於复数的主语之后或复数动词的间接宾语之后: We each have a different point of view. 我们每个人都有不同的观点.
参考资料:牛津高阶英汉双解词典