Our society needs to be able to imagine the possibility of someone utterly in tune with modern technology but able to make sense of a dynamic, confusing world.
我们的社会需要让人们能够想象这样一种可能性:有人既能够完全适应现代技术,又能理解这个动态、令人困惑的世界。
Food with CO2 emissions labels can be confusing.
食品标签与二氧化碳排放量可能会造成困惑。
And like a lot of the other changes associated with puberty, menstruation can be confusing.
就像和许多其他与青春期有关的变化一样,例假会令人困惑。
Convention, OK, this negative sign is just a pure convention. You just got to use it all the time. If you use an old textbook, written when I was taking thermodynamics, they have the opposite convention, and it's very confusing. But now we've all agreed on this convention, and work is going to be with the negative sign here.
系统对外界做功的符号为负,这就是我们,在本课中的规定,纯粹出于统一符号的需要,有些教科书中,可能会使用相反的符号规定,注意不要混淆了,这门课上,我们将一直使用。
应用推荐