The air is rare at high altitudes.

高处空气薄。

Mispronunciation of this word is comparatively rare.

把此字发音读错人较少。

A rare bird has just flown by.

一只罕见鸟刚飞了过去。

That bird is very rare in this country.

那种鸟在这个国家有。

The rarer it is, the more it is worth.

物以贵。

It was a time when motorcars were rare.

那是汽车罕见时代。

Red squirrels are now very rare in Britain.

红色松鼠在英国已十分罕见了。

There is a rare condition known as hereditary spherocytosis.

在实验室中，可见渗透脆性增加。

Aids victims often develop a rare type of cancer.

艾滋患者往往会罹患某种罕见癌症。

Wild flowers such as orchids and primroses are becoming rare.

兰和报春这类野越来越少了。

The film has certainly piqued public interest in this rare bird.

这部影片毫无疑问激起了公众对这种有鸟类兴趣。

Ilvaite is a rare mineral of calcium-iron-bearing silicate.

黑柱石是一种少见含钙铁硅酸盐矿物。

The doctor diagnosed my illness as a rare skin disease.

医生诊断我罕见皮肤。

Pancarditis is a rare and fatal disease in newborns.

死后理报告金黄色葡萄球菌全心脏炎。

Such a finding as this exquisite antique is rare indeed.

像这样一件精美古物发现确实少有。

The plastic surgeon diagnosed my illness as a rare bone disease.

整形外科医生诊断出我是一种罕见骨。

Cases of plant poisoning severe enough to warrant hospital admission are rare.

植物中毒严重至必须住院治疗例少见。

Parliament has passed an Act forbidding the killing of rare animals.

国会通过了一项法令，禁止捕杀珍动物。

He had been crippled by a rare type of paralysis spreading from his ankle.

一种罕见麻痹症从他踝部扩散开来，最终道致他残废。

Jill is a very rare bird, a good politician and an excellent listener.

吉尔真不是一般人，他既是出色政治家又善于倾听别人意见。