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
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
Knowledge is the antidote to fear.
知识可以解除恐惧。
If a shop assistant told him she had not heard of it, he would pretend to be considerably put out.
要是女售货员告诉他从未听说过这些东西，他会装出十分遗憾和不安的样子。