时间:2019-01-09 作者:英语课 分类:河北教育初中英语(初中起点)八年级下册


英语课

[ti:UNIT 4 Look into Science! Lesson 31: Surprise Your Friends!]

[0:00.598]UNIT 4 第四单元

[0:02.622]Look into Science! 走进科学!

[0:05.152]Lesson 31: 第31课:

[0:07.589]Surprise Your Friends! 让你的朋友们吃惊!

[0:10.533]To: 寄:

[0:11.591]Li-Ming@net. cn

[0:16.190]From: 来自:

[0:17.294]danny@intersaurus. com

[0:21.847]Subject: 主题:

[0:23.549]An Experiment 1! 一次实验

[0:26.033]Date: 日期:

[0:27.137]24/04 5:57 PM

[0:33.346]Hi, Li Ming! 你好,李明!

[0:35.002]Do you want to surprise your friends? 你想让你的朋友们吃惊吗?

[0:38.359]Brian, Jenny and I did 2 an experiment in science class. 布赖恩,珍妮和我在科学课上做了一个实验。

[0:43.648]You can do it, too! 你也可以做!

[0:46.040]First, you need to get ready. 首先,你需要做好准备。

[0:49.076]Get a glass full of water and a piece of cardboard 3. 拿一只装满水的杯子和一张纸板。

[0:53.307]Tell a friend to sit down. 让一位朋友坐下。

[0:55.699]Cover the glass with the cardboard, and turn the glass over. 将杯子用纸板盖上,把杯子倒过来。

[1:00.666]Hold it over your friend's head. 把它举在你朋友的头顶上面。

[1:03.748]Tell your friend, "I am going 4 to take my hand off 5 the cardboard. 告诉你的朋友:“我将把我的手从纸板下面拿开。

[1:09.083]Will the cardboard hold the water in the glass?" 纸板会承受住杯子里水的重量吗?”

[1:13.498]"No, I don't think so," your friend will say. “不,我不认为是那样,”你的朋友一定会说,

[1:18.512]"Keep your hand on the cardboard, please!" “请将你的手放在纸板上!”

[1:22.237]Next, take your hand off. 接着,拿开你的手。

[1:25.181]The cardboard will hold the water up! 纸板将承受水的重量而不使它掉下来!

[1:28.676]Air is heavier than we think! 空气比我们想象的要强大!

[1:31.712]It pushes 7 down on us from above. 它从上面给我们以压力,

[1:34.870]It also pushes up on us from below 8. 也从下面给我们以压力。

[1:39.101]In the experiment, air pushes up on the cardboard. 在这个实验里,空气给纸板向上的压力。

[1:44.068]But it can't push 6 down on the water because the water is inside 9 the glass. 但是它不能给水以向下的压力因为水装在杯子里。

[1:50.875]The air holds the water! 空气支撑着水!

[1:53.727]Science is interesting. 科学很有趣。

[1:56.165]Don't you think so? 你不那么认为吗?

[1:58.510]Your friend, 你的朋友,

[1:59.798]Danny 丹尼

[2:01.224]Did you try this experiment? 你试过这个实验吗?

[2:04.857]LET'S DO IT! 做一做!

[2:06.130]Prepare an interesting experiment you have tried before or have seen 10 in your science books. 准备一个你试过的或是在你科学书上看过的有趣实验。

[2:13.073]Do it and describe 11 it to your class. 做实验并向你的同学们描述。

[2:13.073]

[2:13.073]

[2:13.073]



n.实验,试验,尝试;v.实验,尝试
  • We decided to begin the experiment in the evening.我们决定晚上开始那个实验。
  • Why did he do that experiment once again?为什么他再次做那个实验?
v.动词do的过去式
  • How many goals did you score in the last game?上一场比赛你们进了几个球?
  • Why did you choose basketball in the first place?你为何首先选择篮球呢?
n.硬纸板,卡纸板
  • She brought the shopping home in a cardboard box.她将买的东西放在纸箱里带回家。
  • There is a sheet of stiff cardboard in the drawer.在那个抽屉里有块硬纸板。
n.去,离去,地面(或道路)的状况,工作情况;(复数形式)goings: 行为;adj.进行中的,流行的,现存的
  • We're going to listen to a report this afternoon. 今天下午我们要去听报告。
  • He hates leaving the office and going on holiday.他不愿离开办公室去度假。
adj.远的;休假的,空闲的;adv.走开,出发,隔断;prep.离开,脱落,在...之外
  • You'd better cool off first.你最好先冷静下来。
  • I need some time off.我需要一些时间休息。
vt.推;使突出,使伸出,使延伸;大力推进,推行;通过,促使;vi.推;推进;伸展
  • Don't push against me!别推我!
  • If you always push him too hard,he may make mistakes.要是你总逼他太紧,他可能会出错。
v.推,推动( push的第三人称单数 );对…施加压力;逼迫;按
  • When I give the command, everybody pushes off together. 我一声令下,大家就一起用桨把船撑离河岸。 来自《简明英汉词典》
  • He never pushes himself forward. 他从不强出风头。 来自《简明英汉词典》
prep./adv.在……的下面;低于……
  • I looked down at the hall below.我瞧了瞧下面的大厅。
  • The temperature is below zero.温度在零度以下。
n.内部,内脏,内幕;adj.内部的,秘密的,户内的;prep.在...之内
  • Two minutes later we were inside the taxi.两分钟以后我们已经坐在出租车里面了。
  • He will be back inside two days.他将在两天内回来。
vbl.(see的过去分词)看见
  • Since I left college, I have not seen him.自从我离开大学以后,就没有见过他了。
  • I hope to have seen the film next week.我希望下星期能看到这部电影。
vt.描绘,描写;形容,把…说成
  • Can you describe your son?你能描述一下你儿子 吗?
  • It is very difficult to describe my joy in words.我的快乐难以用语言来形容。
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