If you put your fingers between the plastic opening at the bottom, and here's where you gotta watch out for the spring, pull the thing apart and that's it.

如果你把手指放到,底部的缝隙中间，这里你需要小心，你剥开就会发现这个了。

哈佛公开课 - 计算机科学课程节选

It's - this picture on the bottom shows the cell stuck to plastic.

如图所示,细胞紧紧地贴在塑料片上

耶鲁公开课 - 生物医学工程探索课程节选