So I've got, this piston here is compressed, and I slowly, slowly increase the volume, drop the temperature.

这样，这个活塞就被压缩了，然后我再很慢很慢地增加它的体积，降低温度。

麻省理工公开课 - 热力学与动力学课程节选

These molecules of DNA, very long molecules of DNA, are condensed and packaged within the nucleus of every cell in your body.

这些DNA分子是非常长的,它们通过折叠等方式压缩形成染色体后,被装配在你身体内的每一个细胞内

耶鲁公开课 - 生物医学工程探索课程节选