The body gets most of its vitamin D not from diet but from skin exposed to the ultraviolet B radiation in sunlight.
身体获取的大部分维他命D不是从饮食而是靠皮肤曝露在阳光中的紫外线B射线取得的。
B: Of body maybe. I'm not sure about the mind.
身体也许没问题，但我看头脑就不好说了。
It takes a month for the body to make antibodies to a newly encountered pathogen, so a bunch of immune-system cells called B lymphocytes first fire back in a general way.
新的病原体进入机体后，机体一般需要一个月的时间才能产生相应的抗体，因此首先由免疫细胞——B淋巴细胞通过共同途径对病原体进行攻击。
Vitamin deficiency anemias. In addition to iron, your body needs folate and vitamin B-12 to produce sufficient Numbers of healthy red blood cells.
(营养性)巨幼细胞性贫血(维生素缺乏性贫血)为了制造足量、健康的红细胞，除了铁以外，身体还需要叶酸和维生素b12等原料。
To produce hemoglobin and red blood cells, your body needs iron, vitamin B-12, folate and other nutrients from the foods you eat.
骨髓是一种红色、海绵状的东东，居住在很多大骨头的腔隙（骨髓腔）里；它需要铁元素、维生素B 12 、叶酸等原料来制造血红蛋白和红细胞。
Green foods are essential for providing fiber to feel full and B vitamins to energize every cell in your body and keep your metabolism on full-speed.
绿色食物是让你有饱腹感的纤维和激活身体细胞的维生素B的主要来源，并将新陈代谢维持在正常水平。
Now let's create the head of Eve. Choose the Oval tool (B) and draw a circle on the top of the body. Name this layer "Head".
现在我们来制作伊芙的头部。选择椭圆工具在身体的上方绘制一个椭圆，命名为“头部”。
Magnesium is an essential mineral for the human body, and is needed for relaxing muscles , bone formation and activating B vitamins.
镁是人体必需的一种矿物质，主要用于放松肌肉，骨形成和激活B族维生素。
This enables the body to use these coenzyme B vitamins more efficiently, thus lower potencies are needed for energy production.
这使身体使用这些辅酶维生素B有很高的效率，从而降低效价为生产所需的能源。
Raise arms up to shoulder level together in front of the body (see Photo B).
双臂一起向身体前方上举至肩膀水平（见图B）。
The woman's body needs more of everythingócalories, protein, calcium, iron, zinc, B vitamins, and most other vitamins and minerals.
孕妇的身体需要更多热量，但这是其次，更重要的是她们需要更多的营养。
Front raises: Stand as described for side raises. Raise arms up to shoulder level together in front of the body (see Photo b). Lower back down slowly and in control.
前举：身体姿势和侧举相同。双臂一起向身体前方上举至肩膀水平(见图b)。控制住，慢慢放下。
UV-B and UV-A rays have varied affects on your skin, your immune system, and your body as a whole.
紫外线b和紫外线的照射对你的皮肤有不同影响，你的免疫系统、身体的整体水平。
The work looked at 22 different cancers in Britain and their association with body mass index (B.
该文章在英国研究了22种不同的癌症与身体质量指数（BMI）之间的关联；
The task force recommends that children aged 6 to 18 have their body mass index — B.
该专责小组建议，6岁到18岁的孩子应测量他们的体重指数（B。
Objective: To investigate the relations among the renal volumes on both sides, the body surface areas and the ages on aged persons over 60 years old with B-type ultrasound check.
目的：应用B型超声观察60岁以上老年人两侧肾脏体积及人体表面积改变与年龄关系。
Fat cells are few in number, the cell body is ovoid with lipid droplet, and show strong cytoplasmic staining for Sudan black b, the cell surface is smooth.
此类细胞较少见，胞体呈圆形，细胞内含脂质，苏丹黑b染色阳性，表面平滑。
The neonates' starvation-endurance duration of Clone B and D was positively correlated with the body volume of rotifer mother.
克隆B和克隆D轮虫幼体耐饥饿时间与个体体积呈显著正相关关系。
The body of one statue was found among remains dating from the fifteenth century B. c.
其中有一尊雕像，她的躯体是在公元前15世纪的历史文物中发现的。
The body of one statue was found among remains dating from the fifteenth century B. fifteenth century B. C.
其中有一尊塑像的躯干是从公元前十五世纪的遗迹中找出来的。
Method the body symptoms, the liver function and EPQ were measured in 150 patients with chronic hepatitis b.
方法：对150例慢性乙型肝炎患者进行症状自评、肝功能检测及艾森克测试。
The size of your body is of little account, the size of your brain is of much account, the size of your heart is of the most account of all. B. c.
身体的大小无关紧要，头脑的大小非常重要，而最最重要的是心灵的大小。
This research shows: The addition of Add B in the material can improve the form and distribution of the base body and phase 2 enzyme, and improve the material wear ability.
本研究表明：在材料中添加B，可改善基体和第二相的形态及分布，提高材料耐磨性；
Conclusion Straight pricking drainage catheter in ultra-B-guided percutaneous ethanol sclerotherapy for body cavity of cyst is safe, effective, economic and worth promoting.
目的探讨直接穿刺引流导管在经皮硬化剂治疗体腔内囊肿的价值。
B: Every body, have you prepared presents for your friends?
各位同学，你们为朋友准备礼物了吗？
B. a column bar (6) is firmly positioned with a lower joint-body of an upper buckling and pressing mechanism (1) and is propped by a top-suspending spring (12);
上述的立柱杆（6）与上部扣压机构（1）的下部联体牢固定位，并受到顶吊弹簧（12）的顶托；
B. a column bar (6) is firmly positioned with a lower joint-body of an upper buckling and pressing mechanism (1) and is propped by a top-suspending spring (12);
上述的立柱杆（6）与上部扣压机构（1）的下部联体牢固定位，并受到顶吊弹簧（12）的顶托；
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