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
It's not as bad as all that.
事情没有那么糟。
After dinner sit a while; after supper walk a mile.
午餐之后坐片刻，晚饭之后走一里。
Yes, it is. You need to wear warmer clothes.
是啊，你应该穿得更暖和些。