Impurity density
[电] 杂质密度
🧩 词语组成解析
🗣️ 情景例句
Especially with his teething.
特别是他现在开始长牙。
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
so she sat down and accepted a cup of very strong tea, while he telephoned the police.
于是坐了下来，喝了一杯浓茶。与此同时，看门的人给警察挂了电话。