本單元的很多單詞都是和生病有關的，如頭疼、胃疼、牙疼，等等。小編可是希望這些都離童鞋們遠遠的，新的一年里，大吉大利，無病無痛。但是，詞匯仍然是英語學習的基礎，生活類詞匯更是基礎的基礎。大家加油哦！

Unit 4

1. indoor??? adj. 室內的
短語：indoor games, photography, activities 室內游戲﹑ 攝影﹑ 活動

2. outdoor????adj. 室外的
短語：outdoor activities, clothing, sports 戶外活動/戶外穿的衣服/戶外運動

3. really??? adv. 真正地；的確
例句：What do you really think about it?
你對那件事究竟是怎樣想的?

4. forget??? v. 忘記
例句：I've forgotten her name.
我把她的名字忘了。

5. puzzle??? n. 智力游戲；拼圖
例句：Their reason for doing it is still a puzzle to me.
他們?yōu)槭裁匆龃耸挛胰阅涿睢?/span>

6. playground??? n. 操場
例句：Children are running happily in the playground.
孩子們快樂地在操場上奔跑著。

7. piano??? n. 鋼琴
短語：play a tune on the piano 用鋼琴彈一個曲子

8. model??? n. 模型
短語：a model of the proposed new airport 擬建的新機場模型

9. health??? n. 身體（或精神）狀況；健康
短語：be in/enjoy the best of health 身體非常好

10. problem????n. 問題；難題；困難
例句：We've got a problem with the car, it won't start!
我們的汽車出故障了--發(fā)動不起來!

11. headache??? n. 頭痛
例句：I had a really bad headache , and couldn't go to work.
我的頭真的很疼，我無法工作了。

12. stomachache????n. 胃痛
例句：I had a really bad stomachache after eating the seafood.
吃過海鮮后，我的胃很疼。

13. toothache??? n. 牙痛
例句：I had terrible toothache all last night.
昨晚我牙疼得厲害。

14. cold??? n. 感冒
短語：a bad, heavy, slight cold 嚴重﹑ 重﹑ 輕感冒

15. fever??? n. 發(fā)燒
例句：Aspirin can reduce fever.
阿司匹林可以退燒。

16. sore??? adj. （發(fā)炎）疼痛的
例句：My leg is still very sore.
我的腿還是很疼。

17. throat??? n. 咽喉；喉嚨
例句：A fish bone has stuck in my throat.
一根魚刺卡在我嗓子里了。

18. once??? adv. 一次
例句：I've only been there once.
我只去過那里一次。

19. practise????v. 練習
例句：I need to practise my Italian before my business trip.
我出差以前需要練習一下意大利語。

20. housework????n. 家務勞動
例句：I spent all morning doing the housework.
整個早上我都在做家務。