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有趣的实验课英语日记带翻译有趣的实验课英语日记带翻译 今天,我们上了一节非常有趣的`实验课 Today,we hada veryinteresting experiment lesson. 我们组做的实验是”飞碟“首先,将电键、两个电池盒和电动机按照图纸上所示的连接起来其次,把四节电池分别放进两个电池盒里然后,把扇叶安装到电动机上最后,按住电键上的小铁片,按长时间后,突然松开,扇叶就会飞出去 The experimentour groupdid wasa flyingsaucer.First,connect the key,the twobattery boxesand the motor asshown onthe drawing.Secondly,put thefour batteriesinto twobattery boxes.Then,install theblades onthemotor.Finally,press andhold thesmall ironpiece onthekey,press itfor along time,then suddenlyrelease it,and the fan leaveswill flyout. 通过这节实验课,我学到了扇叶在转动时,会形成向下的气流,气流就会把扇叶托起来,扇叶就会飞出去了这真是一节有趣的实验课呀! Through thisexperimentlesson,I learnedthat whenthe fan blade rotates,it willform adownward air flow,and theairflowwill liftthefanblade,and thefanbladewill flyout.This isreally aninteresting experimentclass!【有趣的实验课英语日记带翻译】相关文章
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