名詞 rarity:

1. noteworthy scarcity
   同義詞：rareness, infrequency
2. a rarified quality
   同義詞：tenuity, low density
3. something unusual -- perhaps worthy of collecting
   同義詞：curio, curiosity, oddity, oddment, peculiarity

1. No one discovers a rarity by chance.
   僥幸發(fā)現(xiàn)一件珍品的人是沒有的。
2. These stamps have great value because of their rarity.
   這些罕見的郵票非常珍貴。
3. I have ancient scrolls and other rarities.
   我有古書卷等珍品。

rar.i.ty

n.（名詞）
【復(fù)數(shù)】 rar.i.ties
Something rare.
稀有物，珍品
The quality or state of being rare; infrequency of occurrence.
罕見，稀有：少見的品質(zhì)或狀態(tài)；發(fā)生的次數(shù)不多