Impurity density
[电] 杂质密度
🧩 词语组成解析
🗣️ 情景例句
The rings, please.
请戴戒指。
He answered almost all of my questions.
他回答了我几乎所有的问题。
Bob tries another pop star. This time he has more difficulty in getting through.
鲍勃试着想请另一个流行歌星。但这次电话比较难打通。