Scratch And after just a few words on Scratch which we'll look at in more detail on Friday will you actually feel that you know what, this is actually very intuitive.

现在先粗略介绍一下,周五我们会更详细地讲,你会感觉到这其实是很直观的。

哈佛公开课 - 计算机科学课程节选

So, you will feel weightless for a short time or you'll feel your weight is little.

所以你会短时间的感觉到无重力,或者感到自己变轻了

耶鲁公开课 - 基础物理课程节选