each adj. pron. every single one of two or more things considered separately每个，各个
词组 each other 互相 （one another也是互相的意思，但一般用于三个人以上）
例句 They respect each other. 他们互相尊重。
We each have a book.
They came in, each holding a book. = Each of us has a book.
eager adj. strongly interested; impatiently desiring渴望
词组 eager beaver 热心工作的人; be eager to do something; be too eager to do something;
例句 He is eager for success. 他非常渴望成功。
Joan is eager for you to come to the party. 乔安非常期望你来参加晚会。
