Description:
请关注“蔡老师科技早教”公众号,去教程官网获得更多信息: https://scratchlesson.com/ 在科技教育流行的当下,市面上出现了各种良莠不齐,价格动辄数千元的Scratch电脑培训课程。为了让更多用户能够很好的体验和学习Scratch,我们在iOS和华为应用商店发布了Scratch中文教程系列手机,平板应用,并免费提供部分视频教学内容。 本套教程由浅入深,通过生动有趣的讲解和演示,带领大家制作各种好玩的小游戏来全面学习Scratch平台的基础知识。每节课的最后,老师都会留下几个小小的挑战来激发学生的思考。这套教程适合从小学到初中的孩子们自己观看学习,或者在家长的陪同下一起学习。
Preparing download options
http://unidownloader.com/ website is the best way to download a video or a separate audio track if you want to do without installing programs and extensions.
The UDL Helper extension is a convenient button that is seamlessly integrated into YouTube, Instagram and OK.ru sites for fast content download.
UDL Client program (for Windows) is the most powerful solution that supports more than 900 websites, social networks and video hosting sites, as well as any video quality that is available in the source.
UDL Lite is a really convenient way to access a website from your mobile device. With its help, you can easily download videos directly to your smartphone.
The best quality formats are FullHD (1080p), 2K (1440p), 4K (2160p) and 8K (4320p). The higher the resolution of your screen, the higher the video quality should be. However, there are other factors to consider: download speed, amount of free space, and device performance during playback.
The browser/computer should not freeze completely! If this happens, please report it with a link to the video. Sometimes videos cannot be downloaded directly in a suitable format, so we have added the ability to convert the file to the desired format. In some cases, this process may actively use computer resources.
You can download a video to your smartphone using the website or the PWA application UDL Lite. It is also possible to send a download link via QR code using the UDL Helper extension.
The most convenient way is to use the UDL Client program, which supports converting video to MP3 format. In some cases, MP3 can also be downloaded through the UDL Helper extension.
This feature is available in the UDL Helper extension. Make sure that "Show the video snapshot button" is checked in the settings. A camera icon should appear in the lower right corner of the player to the left of the "Settings" icon. When you click on it, the current frame from the video will be saved to your computer in JPEG format.
It costs nothing. Our services are absolutely free for all users. There are no PRO subscriptions, no restrictions on the number or maximum length of downloaded videos.