Impurity profile
[电] 杂质剖面
🧩 词语组成解析
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['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
Betty, you had it, but you didn't say it.
Betty你知道答案， 但是你没有说出来。
Melissa and Henry have the flowers.
梅丽莎和亨利有花儿。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，