And these verbal descriptions lead to some pictures that I put up and I'll put up again about how you might try to accomplish something like run an engine or move heat from a colder to a warmer body.

这些言语的描述有助于你们理解我讲过的,而且还要再讲的一些物理图像,比如一台发动机,是怎么运行的,或热怎样从冷的物体传到热的物体。

麻省理工公开课 - 热力学与动力学课程节选

And I heard it helps to have funding in advance too.

而且我听说这也有助于提前得到资助。

要考入大学 - SpeakingMax英语口语达人

and if you, you should be doing cardiovascular activities

而且你，你应该做有助于心血管的活动，

要拥有好身材 - SpeakingMax英语口语达人