Foreign matter
[化] 外来杂质; 夹杂物; 异物
🧩 词语组成解析
matter
['mætɚ]
n. 事件;（讨论、考虑等的）问题;重要性;物质;
vi. 要紧，重要;化脓;有重大影响;有重要性;
🗣️ 情景例句
She was in our class.
她和我们同班。
All the world's a stage, and all the men and women merely players.
整个世界是个舞台，男男女女，演员而已。
Nice meeting you. Bye-bye.
见到你（也）很高兴。再见。