Superaudio
超音頻, 超聲頻
??? 情景例句
Fine, thank you.
很好， 謝謝。
Yes, we have done a little. But we have just started and have nothing to show you.
有，我們做了一些，但是因為我們才剛起步，并沒有任何資料可以提供給你們。
They're sales reps.They're very lazy.
他們是推銷員，他們非常懶。