Lack of vitamin D is another factor to consider.
缺乏维生素D是另一个需要考虑的因素。
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。
The 'b' had been wrongly written as a 'd'.
b错写成d了。
This special form of vitamin D is naturally present in breast milk.
这种特殊形式的维生素D天然存在于母乳中。
Vitamin D is necessary to aid the absorption of calcium from food.
从食物中吸取钙需靠维生素D的帮助。
D是干燥的意思。
Please complete the summary of paragraphs C and D below.
请完成下面C和D段的总结。
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。
Aegilops tauschii is D genome donor of common wheat.
节节麦是普通小麦D染色体组的供体种。
Vitamin D analogues such as paricalcitol were found to be better.
如帕里骨化醇这样的维生素D类似物效果更好。
In consideration of our good relationship, we exceptionally accept D/P at sight.
考虑到我们友好的关系，我方破例接受即期付款交单。
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。
唐：我一直没进步。
得到更多的维生素d。
迪克：哇！这些照片真棒。
I see you got a "D" in Biology.How come?
我看到你的生物只得“D”级，是什么原因？
What should we say about Phase d, on the personality theory?
根据人格理论，我们对d阶段又该怎么说呢？
Think some more about Phase D and ask.
多想一想关于D阶段的问题然后问。
The orchestra played Mozart's Symphony No. 35 in D Major.
该管弦乐队演奏了莫扎特D大调第35交响曲。
The orchestra played Mozart's Symphony No. 35 in D Major.
该管弦乐队演奏了莫扎特D大调第35交响曲。
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