英语语法分析

The ratios of calcium intake derived from cereal, vegetables and fruits, legumens and milk accounted for 22 0%, 39 5%, 10 1% and 5 3% of total calcium intake, respectively.

钙的食物来源中，从谷类及薯类、蔬菜和水果、豆类以及奶类中摄入的钙分别占膳食总的钙摄入量的2 2 .0 %、39.5 %、10 .1%及5 .3%。