each,every这两个词都有“每个”的意义。
each强调各别、各个，而every 强调全部、都
He can get up for about two hours each day.
他每天可以起床活动大约两个小时。
He gave each boy an apple.
他给每个孩子一个苹果。
Nearly everybody enters for 'The Nicest Garden Competition' each year, but Joe wins everytime.
几乎每年每人都报名参加“最佳花园赛”，但每次都是乔获胜。
From each according to his ability, to each according to his work.
各尽所能，按劳分配。
The sun shines every day.
每天都是阳光灿烂。
He is only forty-one years old, and he has already been to nearly every country.
他只有41岁，而他已经几乎到过一切国家。
either
pron
两者之一
I'm afraid that either of them will not agree to this arrangement.
我担心他们两人都不会同意这样的安排的。
There's coffee or tea - you can have either.
咖啡或茶——你可以任选一种。
Is either of the sisters coming?
这俩姐妹中有哪个要来吗?
A: Do you speak German or Italian? B: I don't speak either.
甲:你会讲德语或意大利语吗? 乙:我都不会。
either
adv
也（不）
I haven't read it and my brother hasn't either.
我没有读过，我兄弟也没读过。
"I haven't seen this film, and my brother hasn't either."
"我没有看过这部电影,我哥哥也没有。"
"'I can't swim!' 'I can't, either!'; 'Neither can I!'"
'我不会游泳!' '我也不会!'
"If you don't go, I won't either."
"如果你不去,我也不去。"
either
conj
或；不是…就是
Either my father or my brothers are coming.
不是我父亲就是我兄弟要来。
If either David or Janet come, they will want a drink.
如果大卫或珍妮特来，他们就要喝酒。
"I'm considering to buy my niece a Christmas present, either a dictionary or an encyclopedia."
"我在考虑给我侄女买一样圣诞礼物,不是词典就是百科全书。"
Either say you're sorry or else get out!
"你要么道歉,要么滚开!"
"The gunman's coat was either red, blue or green--I can't remember."
"持枪人的外套不是红的,蓝的,便是绿的——我记不清楚了。"