Impurity profile
[电] 杂质剖面
🧩 词语组成解析
profile
['profaɪl]
n. 侧面，半面;外形，轮廓;[航]翼型;人物简介;
vt. 描…的轮廓;给…画侧面图;为（某人）写传略;[机]铣出…的轮廓;
pro向前，在前+file纱线→前面的线条→轮廓；侧面像
🗣️ 情景例句
I can see that you've done this before.
我发觉你曾干过此事。
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
Have you seen this article in the paper?
你在报上看到过这篇文章吗？