罕见

If, therefore, the casing has an opening , as at DD, to allow the air to escape and the center or inlet of the fan is connected to the upcast shaft by means of a fan drift, air will be sucked up the upcast shaft and discharged into the atmosphere at the oulet,O.⑨Thus the upcast air column is rare fied or rendered less dense than that in the downcast shaft.

因此，如果套管有开放的，因为在房屋署副署长，让空气逃脱中心或进气道的风扇连接到upcast轴通过一个风扇漂移，空气将被吸了upcast轴和排放到大气中，在oulet ，澳⑨因此upcast空栏是罕见然后将该或使其密度较低，比在downcast轴。

It is rare for allergy to be the cause of chronic urticaria so routine allergy tests are not usually necessary.

这是罕见的过敏，会导致慢性荨麻疹，使例行的过敏测试，通常不会必要的。

Cutaneous allergic reactions to low-molecular-weight heparinare rare and include pruritus, urticarial rashes, erythematousplaques, and very rarely, skin necrosis.

低分子量肝素引起的皮肤过敏反应非常少见，包括瘙痒、荨麻疹，红斑斑块和极罕见的皮肤坏死。

That is a rare usage of this word .

那是这个单字的一种罕见的用法。

Today, although the economic system adopted and social changes witnessed in China may look contradictory to the Utopist ideas in the late years of Mao's reign, people have barely forgotten his legacy, which can never be simply labeled as "outdated" for a final judgment.

就个人才能和成就而言，毛泽东是一位不二世出的旷世天才，他集多种身份和才能于一身：政治家、军事家、中国共产党的理论家、诗人和书法家，并在各个领域获致极为罕见的建树。

Background: Harada disease, or Vogt-Koyanagi-Harada syndrome, is a rare autoimmune disease characterized by autoantibodies that attack melanocyte-containing tissues or organs such as skin, hair, meninges, uvea, and the inner ear.

摘要原田氏病是一种罕见的自体免疫性疾病，病患会产生抗体侵犯全身含黑素细胞的组织，包括眼睛、内耳、皮肤、毛发及脑膜等，而表现出各种症状，诸如视力丧失、内耳症状、白斑、秃发、毛发变白及头痛。

In a few rare cases, vaginismus develops as a protective reaction against previously experienced pain during sexual intercourse which, in turn, was caused by some injury or disease of the internal sex organs.

在少数罕见的病例，阴道痉挛因为早前的性行为体验到的疼痛所发展出的保护性反应；这种疼痛由某些外伤或内部性器官的疾病所导致。

For years the Shanghai has been the vanguard of the national economy, this rare phenomenon seriously.

多年来上海一直是全国经济的排头兵，这一罕见现象引起高度重视。

When I was 21, I was literally so stressed out because of him that I came down with a very rare disease called Vasculitis.

能说，就是因为他给我的极度压力，使我在21 岁时得了一种十分罕见的怪病，称为血管炎。

Vasculitis is uncommon and the various forms are confusing and difficult to diagnosis and classify.

血管炎是罕见的而且它形态的多样性容易造成混淆，从而难以诊断和区分。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失