志愿者记录下他们一周所吃的所有食物。The volunteers kept a record of everything they ate for a week.新的饮食类书籍差不多一周出一本。New diet books appear at a rate of nearly one a week.他们在一周内就画出了房子的图样。They drew up the design for the house in a week....
“人”字两画.The character 人 is made up of two strokes.人生就应该是快乐的，要抓住每一天，孩子们，让你们的生活变得非凡起来。Carpe diem. Seize the day, boys. Make your lives extraordinary.房子里似乎悄然无声，安静得好像已经没人在住一样。The house seemed muted, hushed as if it had been d...
希腊人之专注于几何迷糊了后世好几代人的视界.The Greek concentration on geometry blurred the vision of later generations.黑洞密度高, 但是它们的视界阻碍了观测.Black holes are dense, but their event horizons preclude observations.视界里拉出 长线 模糊的白色光点. 又昰什庅?Arc of vi...
That's the whole difference between quantitative and qualitative research.那就是定量研究和定性研究之间的重大差别。Qualitative analysis shows that water is made up of hydrogen and oxygen.定性分析表明水是由氢氧结合而成的.There are qualitative difference...