a central role的用法和樣例：
例句
- The implied claim that mine was the centra role was bound to be an affront to any president.
這種意味著(zhù)自稱(chēng)我起了中心作用的話(huà)，肯定要得罪任何一位總統。 - Goddard scientists, caught by surprise, wondered if the arrangement signaled a diminished role for their center.
戈達德的科學(xué)家感到驚訝，懷疑這一申明是否發(fā)出了削弱其它中心作用的信號。
