Milk, oily fish and eggs all contain vitamin D.
牛奶、油性鱼类和鸡蛋全都含维他命D。
Foods such as eggs and oily fish are all rich in vitamin D.
鸡蛋和油性鱼等食物都富含维生素D。
Three other types of airspace, Classes D, C and B, govern the vicinity of airports.
其他三种领空，D、C和B类，管理着机场周围地区。
For Vitamin D, the best examples are fish, mushrooms and eggs and for vitamin E, nuts and seeds.
关于维生素D，最好的例子是鱼、蘑菇和鸡蛋，而维生素E 则是坚果和种子。
In the A, B, C, D and F grading system, the first four letters are typically considered passing grades.
在A、B、C、D和F评分体系中，前四个字母通常被认为是及格。
Skin color, where you live and how much skin you have exposed all affect how much vitamin D you can produce.
皮肤颜色、生活地点和暴露在外的皮肤面积大小，都会影响你的身体所能产生的维他命D的量。
After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听到问题后，必须从A、B、C、D四个选项中选出最佳选项。
Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.
维生素D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。
There are a number of vitamins that are vital for good hair health, the main ones being vitamins C, D and E, and in a balanced diet all these vitamins should be readily available.
有许多对头发健康至关重要的维生素，主要有维生素C、D和E，而在平衡的饮食中所有这些维生素应该很容易获得。
Oil production from Daqing peaked at about 1.1m barrels per day (b/d) in 1997.
大庆的石油产量在1997年达到峰值——每天110万桶（b/d）。
Nonnatural amino acid 3 (4 thiazolyl) D, L alanine hydrochloride and its four intermediates were synthesized.
合成了非天然氨基酸3（4噻唑基）D，L丙氨酸盐酸盐及其四个中间体。
The system is composed of industrial PC, DMC300 motion controller, discharge status checking card, A/D card, I/O card and pulse power.
该系统由工业PC，DMC300运动控制器，放电状态检查卡，A/D 卡，I/O 卡和脉冲电源组成。
Vitamin D — your skin converts sun into vitamin D, but a lot of people have this sun phobia.
维生素d—你的皮肤把日光转化成维生素d，但是很多人有太阳恐惧症。
D: Have mercy on Antonio, Shylock.
公爵：宽恕安东尼奥吧，夏洛克。
Vitamin D strengthens the bone and musculoskeletal system.
维生素D可增强骨骼和肌肉骨骼系统。
D: This option handles keywords that hash to duplicate values.
D：该选项将处理散列为重复值的关键字。
the first 'D' stands for 'digital' and the second 'D' for 'disc'.
第一个“D”的意思是“数字的”而第二个“D”的意思则是“光碟”。
We've done business for years and you should have some faith in our credit. It would help me greatly, if you could accept D/A or D/P.
我们做了很多年生意了，你应该对我们的信用有信心，如果你可以接受承兑交单或者付款交单，会对我有很大的帮助。
D: Provides output debugging messages.
D：提供输出调试消息。
Delete it by entering d, and enter the partition number when prompted.
输入d以删除该分区，然后会出现一个提示，这时输入分区号。
Composite service: service D represents the most complex case — the composite service.
复合服务：服务d代表最复杂的情况——复合服务。
This flux is counted positively if we go out of D.
如果从D向外流动，流量就是正的。
The debug (d) means more verbose.
调试(d)意味着输出更详细。
The scientific community continues to debate the optimum level of vitamin d.
科学界在维生素d的最优水平上一直有争论。
Scientists say vitamin D is vital in activating human defenses.
科学家表示，维他命D对激活身体防御系统至关重要。
We accept 60 days D/P if you guarantee the reliability of the buyers concerned.
如果你方保证所涉买方可靠，我方可接受60天远期付款交单。
How was your exam? D: It was bad. F: Oh, honey, you should study harder. D: I tried my best.
父亲：你考试考得如何？女儿：很惨。父亲：喔，亲爱的，你应该用功一点。女儿：我尽力了。
How was your exam? D: It was bad. F: Oh, honey, you should study harder. D: I tried my best.
父亲：你考试考得如何？女儿：很惨。父亲：喔，亲爱的，你应该用功一点。女儿：我尽力了。
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