Unit-area acoustic impedance
[电] 单位面积声阻抗
🗣️ 情景例句
The private lives of celebrities take up more magazine space than world news.
名人的私生活在杂志上占的版面比国际新闻还要多。
Life is a shuttle.
生活犹如梭子。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。
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