英语翻译
1.It's important to check levels of a different compound,which indicate the amount of storage of iron in the blood.
2.This added iron supplements the small amount that naturally occurs in grains.
3.The iron content of tomato sauce cooked in an iron pot fot three hours showed a striking indrease,the level going up nearly 30 times.
4.A opened a magnet program within a public high school in the suburbs of B.