001-upon
prep. 在......上面
Wish upon a star.#对着星星许愿。
002-think
V. 想，思索，认为；以为，预料
What do you think?#你认为呢？
003-power
n. 能力，权力；电源；幂 v. 驱动；提供动力
That O looks like the power bution on electronic gadgets.#那个“O”看起来像是电器上的电源开关。
004-down
adv. 向下；下去；在下面 n. 绒毛，汗毛；沙丘
it is sliding down!#它正在塌陷。
005-thought
n. 思想；思维；观念
it was just a thought,i 'm glad i didn't say it.#这只是个想法，我很高兴我没说出过它！
006-voice
n. 声音；意见；发言权 v. 表达，吐露
This man's voice is loud and clear.#这个男子的声音又大又清晰。
007-back
adv. 在后；回原处；退回； n.背部
Let's go back to the beginning.#让我们回到起点吧。
008-quite
adv. 完全，十分
I am quite sure about this.#对于这件事我相当确定。
009-state
n.情况；州；国家 v.说明，陈述
The doctor stated that the patient had died.#医生向患者家属宣告了患者的死亡。
010-fact
n.事实，实际
In fact,the three angles are congruent.#事实上，这三个角是全等的。
011-several
adj. 几个，若干，数个 pron. 几个
I hava several apples here,do you want one？#我这有几个苹果，你需要一个吗？
012-earth
n.地球；陆地，地面
The earth is a few planets away from sun.#地球离太阳有几个星球的距离。
013-therefore
adv. 因此，所以
These three little dots mean "there-fore" in math.#在数学里，这三个小点表示“所以”。
014-business
n.商业，生意；事务
A successful business earns a lot of money.#一笔成功的生意能挣能多钱。
015-thousand
num. 一千，一千个 n.许多，无数
I can see a thousand balloons in the sky!#我看见，天空中有1000个气球。
016-during
prep. 在...期间
During summertime in the northern hemisphere ,the southern hemisphere is undergoing winter.#在北半球处于夏天时，南半球是冬天。
017-reason
n.原因 v.理论，论证
Sharp turns and slippery roads are sometimes reasons for car accidents.#急弯和道路湿滑有时候是交通事故的原因。
018-question
n.问题，疑问，发问 v.询问；怀疑；审问
May I ask you a question?#我能问您一个问题吗？