There's no heat flowing from the environment to the system. I have to define my terms.

系统与外界间,并没有热传递发生。

麻省理工公开课 - 热力学与动力学课程节选

If you hear about signal transduction in biology, people that study signal transduction are studying just these things we talked about, how biochemical messages get transferred into cells and through cells.

如果你在生物学领域听到信号转导这个词,那么研究信号转导的人就是,在研究我刚才讲过的那些东西,生化信息如何传入细胞并传递至细胞各处

耶鲁公开课 - 生物医学工程探索课程节选

A reaction performed by one enzyme creates a product that stimulates another enzyme that creates a product, and stimulates another enzyme, and through this cascade of reactions you amplify and carry the signal forward.

一种酶催化生成的产物会活化另一种酶,而它催化的产物又能激活其他酶,催化反应生成另一种产物,通过这层层反应,信号被放大,并不断向前传递

耶鲁公开课 - 生物医学工程探索课程节选