It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.
这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞
She was in Washington spending some time when the first food guide pyramid and dietary guidelines when being developed and she talks about that experience and how much impact the food industry had on this.
她曾在华盛顿待过一段时间,正值食物金字塔的最初版,和饮食指南被提出之时,她谈到了那段时期的一些相关经历,以及食品行业对该研究的影响有多大
But rather reason, he says, is attained by industry,by work, and it is developed first, he says, by the imposing of names on things, the correct names on things, and second by getting a good and orderly method of study.
他说,理性是通过辛勤的努力得来的,理性的形成,是通过使用事物的名称,事物正确的名称形成的,第二,是通过获得一种良好,而有有条不紊的学习方法形成的。
应用推荐