Unit-area acoustic impedance
[电] 单位面积声阻抗
🗣️ 情景例句
You can hunt for jobs in the newspaper.
你可以在报纸上寻找工作。
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
He was never seen again.
后来再也见不到这个人了。
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