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
Millie, did you bring the tapes for dancing?
Millie，带来了跳舞的录音带吗？
I really don't know.
我真不知道。
No, she isn't wearing a sweater. She's wearing a white blouse.
没穿。她穿了一件白色的衬衫？