Monovacancy
单空位
🗣️ 情景例句
Michigan needs a touchdown.
Michigan队需要一次达阵得分。
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
The noise pollution survey revealed a rather spurring and possibly amusing old fashioned source of noise.
这个有关噪音的污染调查还揭示了一种出人意外而同时可能会引人意外而同时可能会引人发笑的老式噪音源。