单词：PR
柯林斯词典等级：2 级；
与公众的关系, 公关
[计] 模式识别, 实际记录, 前缀, 程序寄存器
[计] 模式识别, 实际记录, 前缀, 程序寄存器
n a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
n a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
n a promotion intended to create goodwill for a person or institution
n a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
n a promotion intended to create goodwill for a person or institution
词型变化：名词复数形式 : prs
【近义词】
- Puerto Rico波多黎各(美国属地...
- praseodymium镨
- Porto Rico波多黎各
- public relations公共关系
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