Unit-area acoustic impedance
[电] 单位面积声阻抗
🗣️ 情景例句
It's completely beyond my grasp.
我完全摸不着头脑。
I've never read a more exciting story.
我没有读过比这更振奋人心的故事。
An aeroplane offers you an unusual and breathtaking view of the world.
飞机上,你可以观察世界上非同寻常的奇妙的美景。
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