萨莉曾上过一所种族混合的学校。
上过油的木头防水而且不会剥落。
他那天晚上过了好长时间才睡着。
No, we call that work positive work. All right, so that means we need to put a negative sign right here, by convention.
历史上有过不同的习惯,这里我们规定,如果环境对系统做功。
I think it's really the best class I'm taking or the best series of classes I've taken at Princeton,
我认为这门课是我在普林斯顿上过的最好的课程,
Unfortunately, I've never taken a course in it, but I've started reading it lately out of just my broad intellectual interest.
遗憾的是,我从未上过有机化学课,但我最近开始读一些相关的书,这是我广泛爱好中的一种
应用推荐