Material standards
[经] 材料标准
🧩 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
she's still alone, without her family.
她仍是孤单单的，找不到家。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
I made your birthday cake last night, when you were in bed, Mrs Read answered.
“昨天晚上你睡觉时，我就做好了你的生日蛋糕，”里德夫人回答说。