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
Thank you.
谢谢。
Mr. Green is a member of the faculty.
格林先生是大学教员。
It's time to get down to business now.
是进入正题的时候啦。