rarity

n.

稀有，罕见；稀薄，稀少；珍品，罕见的东西；

复数：rarities

1. These stamps have great value because of their rarity.
   这些罕见的邮票非常珍贵。
2. It seems to be the mere rarity that attracts the average collector.
   收藏家的兴趣似乎仅停留在物品是否罕见。
3. I have ancient scrolls and other rarities.
   我有古书卷等珍品。
4. That painting is real rarity; the painter seldom painted landscapes.
   那幅画是一件真正的珍品，这个画家很少画风景。

Rarity
Rarity
Rarity
RARITY, FRAGMENTATION, AND EXTINCTION RISK IN DESERT FISHES
Markov chain models-rarity and exponentiality / Julian Keilson
Rarity, Fragmentation, and the Scale Dependence of Extinction Risk in Desert Fishes
The Canonical Distribution of Commonness and Rarity: Part I
Role of rarity and taxonomic resolution in a regional and spatial analysis of stream macroinvertebrates
Feedback with soil biota contributes to plant rarity and invasiveness in communities.
A Comparison of Richness Hotspots, Rarity Hotspots, and Complementary Areas for Conserving Diversity of British Birds