pr.
英
美
- abbr.双，对，套(pair)
详细释义
名词 pr:
-
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
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
