trial ground的用法和樣例:
例句
- It's an ideal proving ground for the new car.
這裡是個理想的新車試驗場。
- Delmar Simpson and Nathanael Beech were arraigned Friday at the Aberdeen Proving Ground Military Base in Maryland.
德爾瑪辛普森和拿比奇被傳訊星期五在阿伯丁試驗場軍事基地馬里蘭。
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