These include calcium, folic acid, iron, and vitamin D. Despite trying to eat well, we may not get all the nutrients we need, so taking a daily multivitamin is a good idea.

这些包括钙，叶酸，铁和维生素d。即使我们试着吃好一点，还是不能获取所需的所有营养，所以每天服用复合维生素是一个好方法。

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Vegetarians, especially vegans, need to pay attention getting enough iron, calcium, vitamin D, vitamin B12, and omega–3 fatty acids.

素食主义者特别是绝对素食主义者需要注意补充足够的铁，钙，维他命D，维他命B12和omega–3脂肪酸。

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Eggs contain all the essential amino acids and are an excellent source of protein, not to mention B-vitamins, vitamins a and d, zinc and iron.

鸡蛋包含所有基本的氨基酸，是极佳的蛋白质来源，更不用说维他命b，维他命a和d，锌和铁。

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The miniature building began as a detailed 3-D software rendering before the physical model was built to iron out all the intricacies of connecting the units in the full-scale building.

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