Impurity levels
[电] 杂质能阶
🧩 词语组成解析
n. 色阶调整；控制色阶；水平, 标准（level复数形式）
🗣️ 情景例句
The professor runs a restaurant on the side.
这个教授的副业是开饭馆。
If you have no hand, you cannot make a fist.
巧妇难为无米之炊。
Yes, please. That would be kind of you.
是啊。你真好！