pr_单词pr_pr的解释和用法

pr基本解释

abbr.(=public relation) 公共关系

pr同义词

pr英英释义

Noun:

a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
a promotion intended to create goodwill for a person or institution