Moving Things_奇妙的机械

Future_Maker
2021-09-25 / 3 评论 / 97 阅读 / 正在检测是否收录...
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首先告诉大家,我的论坛、博客、选课三大板块都开起来了(虽说选课还在完善,但这不重要),有时间可以去逛逛哈!(都在此网站主页)

Let's Beggggggggin!

★ First——invented machines

Event :Thousands of years ago,people invented machines.

Reason :It's hard to do it by manpower alone.

Test

✰ Second——Levers

Event :People invented Levers.

Reason :Stop the beast in the night.

Result :At that time, people's work became easier and the lever became a kind of machinery.

Test

Third——Rollers

Events :People began to move heavy objects with rollers.

Reason :People find it easier to move heavy objects with rollers.

Fourth——Ramps

Events :The Egyptians built pyramids with ramps.

Reason :None.

Result :Today, ramps are used in many places.

Test

Fifth(Last)——Screws

Events :People(Who is he/she?)invented the screws.

Reason :We use it to fix(除了维修,还有固定的意思) sonething.

I think he is a genius! Test

Last(Real)

Today, we learned the development of machinery.Let's sort out its development:

OK, that's all the content of today's course.Thank you for all of you guys!

Test

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  1. 头像
    Future_Maker 作者
    Windows 10 · Google Chrome

    来看的朋友们,如果要评论,不用填写网址和邮箱(若邮箱为必填项,随便填就好),名字写你喜欢的名字就行,谢谢大家!评论多来一点好吗!

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    1. 头像
      zdc666
      Windows 7 · Google Chrome
      @ Future_Maker

      ssyyyds

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  2. 头像
    ni 爹
    Windows 7 · Google Chrome

    画图

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