「pr」の独自の発音を追加します
「pr」の意味と定義
- 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
同義語:
- Noun
a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
同義語:
- Noun
