be abreast of

漢語翻譯

例句：

1. He takes several learned journals and manages to be abreast of developments in his field.
   他訂閱了幾本學術刊物，對本行最新的發展非常清楚。
2. The ships were abreast of the fort.
   那些船與炮台處於同一水平位置。