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
Oh, not at first.
噢， 没有马上找到。
First of all, I want to thank you all for coming to this party.
首先，我人感谢各位出度这次晚会。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。