菁英家教網站相關資料
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菁英家教網站相關資料
SpeakingPal英语家教
内容提要使用SpeakingPal学英语。马上来讲英语!* 对着您的手机或平板电脑说并获得即时反馈。* 您说英语,SpeakingPal会听您说!* 提高您的英语口语技能以满足商务和学术需求。8堂免费课程,在 120个对话和240个句子中练习口语,包括一年的免费发音反馈服务。您可以在应用程序中购买更 …
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Difficult Words
Every day you can learn new word and be smarter :)If you care on self-development this application is for you.免費玩Difficult Words APP玩免費免費玩Difficult Wo …
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Diffraction Grating
Shows the behaviour of a diffraction grating as a function of the wavelength and of the outgoing angle. Good analogy that students will never forget ! …
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