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n.段（围棋、柔道、空手道等运动员的技艺等级）；浮标
1、errata d&d───勘误表d&d
2、D d───abbr.即期汇票（demanddraft）；数据要求（datademand）；截止日期（deadlinedate）；GuoFangBu (Departmentof Defense)；数字显示（digitaldisplay）
3、an d───conj.和，与；就；而且；但是；然后；n.(And)人名；(土、瑞典)安德
4、ugly d d───丑陋的d
5、blackguard d and d───黑帮d和d
6、d v d───abbr.数字化视频光盘 (Digital Video Disk)
7、gloaming d&d───gloaming d&d公司
8、an───art.一（在元音音素前）
9、an d s───abbr.二苯硫醚；接入网落；高级导航显示XiTong（advancednavigationdisplaysystem）
1、D. , an assistant professor in the UNC School of Public Health's epidemiology and maternal and child health departments.───该文作者北卡罗来纳州大学公共卫生学院流行病学和妇幼健康部门的助理教授JulieDaniels博士说。
2、Idleness is not just a vacation, an indulgence or a vice; it is as indispensable to the brain as Vitamin D is to the body.───懒惰不仅仅是度假、放纵或恶习；它对于大脑就像维生素 D 对身体一样不可或缺。
3、it that it saw light in the period 200-300 A. D., the place of production being Kasmir.───它在200-300 A. D.时期看到了光，诞生地点是克什米尔。
4、D'an, along with Doda Bodonawieedo and Droopy McCool, was a skilled wind instrument player.───德安跟多达·博多纳维多和德鲁皮·麦库尔一样，都是技艺高超的管乐器演奏家。
5、The lead investigator was Matthew Nock, Ph. D. , an associate professor of social sciences at Harvard University.───首席研究员是MatthewNock博士，哈佛大学社会科学副教授。
6、Variable B has a direct effect on variable D, an indirect effect on variable C, and no causal effect at all on variable A.───变量B对变量D有直接的影响，对变量C的影响是间接的，对于变量A则完全没有因果关系上的联系。
7、an appropriate amount of vitamin D, an appropriate amount of protein will help calcium absorption.───是维生素D，一适量的蛋白质有利于钙吸收适量。
8、Unfortunately, it also helps prevent the body's absorption of Vitamin D, an essential nutrient.───不幸的是，这种作法也防碍了身体吸收必需营养：维生素D。
9、An importer in Sweden asks us to send him a trial delivery for sales on D/A terms.───瑞典的进口商要求我们按照承兑交单条款向他发送试交货的产品。
1、D. , an emeritus research scientist at the University of Michigan's School of Public Health and psychology department.
2、The lead investigator was Matthew Nock, Ph.D., an associate professor of social sciences at Harvard University.
3、A combinational circuit that has three inputs that are an augend , D, an addend, E, and carry digit transferred from another digit place, F, and two outputs that are a '.
4、John Cannell, M.D., an expert of vitamin D of Vitamin D Council suggests that about 4000 to 5000 international units of vitamin d per day is needed to maintain a healthy level in the blood.
5、That's arcus senilis, says Monica L. Monica, M.D., Ph.D., an ophthalmologist in New Orleans.
6、The study's lead investigator was Joachim Hallmayer, M.D., an associate professor of psychiatry at Stanford University.