Impurity density
[电] 杂质密度
🧩 词语组成解析
🗣️ 情景例句
As a professional basketball player, his performance is really worth noting.
作为一个职业篮球手，他的表现很优秀。
I'd like to make an overseas call to Taibei, Taiwan by collect call.
我要打对方付费的电话到台湾的台北。
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。