The 'b' had been wrongly written as a 'd'.
b错写成d了。
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。
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。
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。
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。
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。
Schwarzenegger signed the bill, SB-54 by Senator Mark Leno (D), on Sunday, his office said.
其办公室称，施瓦辛格周日在参议员马克·莱诺(D)签署的SB-54法案上签字。
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。
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。
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。
These glasses allow you to see the film in three-D.
这副眼镜让你能看立体电影。
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。
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。
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。
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