Ferrous material
[化] 黑色金属材料
🧩 词语组成解析
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
🗣️ 情景例句
Don't go into hysterics.
不要歇斯底里。
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
They were glad of the examination being over.
他们为考试结束了而高兴。