Foreign material
[化] 外来杂质; 夹杂物; 异物
🧩 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
Would you like some coffee?
要不要来点咖啡？
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
Well done, everyone! she smiled.
“你们个个表现出色！”她笑了