PA的中文意思、音标与词形变化

私人秘书, (露天)扩音系统 [计] 程序存取, 程序地址, 程序分析

n an informal term for a father; probably derived from baby talk n a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead n a unit of pressure equal to one newton per square meter n a Mid-Atlantic state; one of the original 13 colonies n an electronic amplification system used as a communication system in public areas