稀有的英文：
uncommon

A black swan is rare.
黑天鹅很稀有。

Any of several prized varieties of chicory,having red or red - spotted leaves that form globose or elongated heads.
菊苣一种稀有的菊苣菜变种，叶有红点或叶呈红色，叶成球形或长形的头状

A rare mineral
稀有矿物

As scarce as hen's teeth
极其稀有

the need to economize scarce energy resources.
节约使用稀有能源的必要性

Translation is a potentially scarce item.
译作是潜在的稀有商品。

rare and rare earth metal ore deposit
稀有和稀土金属矿床

This Book is very rare. There are only a handful of them in the world.
"这本书很稀有,全世界只有几本而已。"

It was a real prize due to its rarity and good condition.
因为稀有并且品相完好，它价值连城。

Some corporations are mining a rare mineral.
有些企业正在开采一种稀有矿石。

Collusion of the police with the criminal is not uncommon
警察和罪犯串通是常有的事情。

The sun was shining with uncommon lustre.
太阳放射出非凡的光彩。

Collusion of the police with the criminal is not uncommon.
警察和罪犯串通是常有的事情。

It is uncommon for healthy animals to cast their young.
健康的小动物小产是不寻常的事。

It is not uncommon for parents to put a newborn in a separate room.
父母把新生儿放在分隔的房间并非不常见。