cast-iron的例句（cast-iron在句子中的用法）

• All their beds were distinctive; Mac's was an iron affair with brass knobs... 他们的床都各具特色；马克的床是张带球形黄铜柱头的铁家伙。
• He cast her an admiring glance... 他向她投以钦慕的目光。
• Vitamin C increases the absorption of iron from food. 维生素C促进食物中铁的吸收。