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。
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。
Businesses need to train their workers better, and spend more on R & D.
各企业需要更好地培训其员工，并且在研发上有更多的投入。
His rejection of our values is far more complete than that of D. H. Lawrence.
他对于我们价值观的摈弃远比D. H.劳伦斯更彻底。
We found a table and the maitre d' assured us that we would be served quickly.
我们找到了座位，餐厅领班向我们保证很快就可以用餐了。
These glasses allow you to see the film in three-D.
这副眼镜让你能看立体电影。
This is D-day, time for the Walt Disney Co. shareholders' meeting.
今天是迪士尼公司股东会议关键的第一天。
The club also offers its congratulations to D. Brown on her appointment as president.
俱乐部还就布朗被任命为会长一事向她表示了祝贺。
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。
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