245.east(名)东方(形)东方的
(名)：China faces the Pacific on the east.中国东临太平洋。
(形)：He has returned from east Africa.他刚从东非回来。

246.easy(形）容易的
反义词difficult
The new dancing lacked easy.这种新式舞蹈看起来很容易。

247.eat(动)吃
不规则变化ate, eaten
Eat your dinner up.把你的晚饭吃完。

248.egg(名)蛋
Eggs are 99 cents a dozen.鸡蛋一打99美分。

249.eight(形)八的
There are eight apples in the basket.篮子里有8个苹果。

250.eighteen(形)十八的
There are eighteen students in that classroom.那间教室里有18个学生。

251.eighth（名）第八
He was the eighth to break the record.他是第8个打破记录的人。

252.eighty(形)八十的
His grandfather is eighty.他的祖父80岁了。

253.either(代)两者之一
Either of us is willing to help you.我们俩都愿意向你伸出援手。

254.elementary school(名）小学
She'll start elementary school next fall.明年秋天她就要上小学了。

255.elephant(名）大象
An elephant trumpets.大象吼叫。

256.eleven(形)十一的
It's eleven degrees Centigrade.摄氏11度。

257.else(副)此外、别的
What else would you like?你还要别的吗？

258.e-mail(名)电子邮件
I'll send you an e-mail tomorrow.明天我会发电子邮件给你。

259.end(名)结局；底
I'm going on holiday at the end of October.十月底我要去度假。

260.English(专)英文
E需大写
Can you speak English?你会说英语吗?

261.enjoy(动)享受、乐于
后接动名词
Tony enjoys listening to music while he's reading.东尼喜欢一边阅读一边听音乐。

262.enough(形)足够的
We have enough chairs for everyone.我们有足够的椅子让大家坐。

263.enter(动)进入
Don't enter without knocking.先敲门再进去。

264.eraser(名)橡皮擦
My boy, wipe these wrong words out with a pencil eraser.孩子，把这些错字川橡皮擦擦掉。

265.eve(名)前夕
They held a party on New Year's Eve.他们在除夕举行晚会。

266.even(副)甚至、即使
It isn't very warm here even in summer.即使是夏天，这里也不怎么暖和。

267.evening(名)傍晚
I'll do my homework in the evening.我将在傍晚时做功课。

268.ever(副)从来、至今
Nobody ever comes to see my mother.至今没有人来看过我母亲。

269.every(形)每个
Not every horse can run fast.并非每匹马都能跑得快。

270.everyone(代)每个人
同义词everybody
I'm sure everyone will agree with me.我敢说每个人都会同意我的看法。

271.everything(代)一切事物、每件事物
everything is very expensive in this shop.这家商店的每一样东西都很贵。

272.example(名)实例、榜样
I can't understand. Can you give me an example?我不太了解，可以举个例子说明吗?

273.excellent(形)优秀的、极好的
He speaks excellent English.他说得一口漂亮的英语。

274.except(介)除……之外
The museum is open every day except Mondays.除了星期一之外，博物馆每天都开放。

275.excited(形)兴奋的、刺激的
Are you getting excited about your holiday?要放假了，心情很兴奋吧?

276.exciting(形)令人兴奋的、刺激的
That's very exciting news.这消息真令人兴奋。

277.excuse(名)借口(动)原谅、宽恕
(名):He always finds an excuse for not helping with the housework.他老是推辞不帮忙做家务。
(动):Excuse me.抱歉。

278.exercise(名)运动；习题(动)运动、锻炼
(名)：Jogging is a good form of exercise.慢跑是很好的一种运动方式。
(动):It is important to exercise regularly.经常运动是很重要的。

279.experience(名)经验(动)体验
(名):We all learn by experience.我们都是从经验中学习。
(动):It was the first time I'd ever experience failure.这是我第一次尝到失败的滋味。

280.eye(名)眼睛
David has blue eyes.大卫有一双蓝眼睛。