Pa

Pa读音音标

Pa意思解释

abbr.

protactinium镁；

英英释义

n.

an informal term for a father; probably derived from baby talk

同义词：daddadadaddypapapappapop

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

同义词：protactiniumprotoactiniumatomic number 91

a unit of pressure equal to one newton per square meter

同义词：pascal

a Mid-Atlantic state; one of the original 13 colonies

同义词：PennsylvaniaKeystone State

an electronic amplification system used as a communication system in public areas

同义词：public address systemP.A. systemPA systemP.A.

词组短语

pa system

双语例句

She works as PA to the managing director.她给总经理作私人助理。I heard it on the PA.我从广播里听到的。