Aid sheet is for the monthly tests, not for the weeklies.

辅助材料是月考中使用的，不是每周的测试。

麻省理工公开课 - 固态化学导论课程节选

You do not use an aid sheet on the weekly test.

在每周的测试中你们不能使用辅助材料。

麻省理工公开课 - 固态化学导论课程节选

Because you trust biomedical engineers to have done a good job in designing these things and we'll talk about how biomaterials are designed and tested, and what makes a material, the properties of a material that you could use as a contact lens, what are the properties that it needs to have.

因为你深信生物医学工程师们,在设计这些材料时,已经做了充分的工作,我们会讨论如何设计和测试这些生物材料,什么材质具有,能够用来,做成隐形眼镜的材料的属性,它们需要具备的特性究竟是什么

耶鲁公开课 - 生物医学工程探索课程节选