Material usage standards
[经] 材料耗用标准
🧩 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;
n. 标准；规格（standard的复数）
🗣️ 情景例句
Have a safe trip back.
祝您平安返家。
He is a doctor. He has his own practice.
他是个医生，他自己开业。
He's not in his office at the moment.
他现在不在办公室里，