Iron. Like vitamin B-12, iron is a crucial component of red blood cells.

与维生素b - 12一样，铁是血红细胞的重要组成元素。

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Vitamin B-12 is necessary to produce red blood cells and prevent anemia.

维生素B-12：维生素B-12对制造血红细胞以及预防贫血症至关重要。

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Vitamin B assists in red-blood-cell regeneration.

维生素B有助于红细胞的再生。

《柯林斯英汉双解大词典》

That famous red B looked as if it was made out of hand-dipped Maker's Mark wax.

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The V8 car is identifiable by its three-aperture lower front grille, the red "B" badges, and the figure-8-shaped exhaust stingers.

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You have to look at two different markets, red chips and B shares.

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