rare

On Earth, iron is extremely rare in its free natural form and is only found in a few places around the world.

在地球上，铁是极其罕见的自然形态在它的自由，是世界上唯一发现地周围的几个。

doctors have been trying to find out whether the woman died of a rare disease.

医生们一直试图搞清这位妇女是否死于一种罕见的疾病。

Three labels that have been attached to me since the day I was born with a rare type of growth restriction, known as Pseudoachondroplasia.

这三个标签从我一出世就跟随着我。这是一种罕见的发育受限症状，称之为“假性软骨发育不全”。

"We are aware of the issue, which occurs only in extremely rare cases, and we are working on a fix, " said the company in a statement.

“我们意识到这一问题的存在，这只在极少的情况下才发生，我们正着手找到解决办法。”该公司的一份声明说。

I have full understanding of him in many aspects and I can say responsibly that he is a rare excellent student our school has produced.

在许多方面，我对他有着全面的了解，我能负责地说他是我们班级里培养的一个少有的优秀学员。

000 birdwatchers proved the full pull of a truly rare bird as they visited the Tesco car park in Kent, where it had settled.

三千名观鸟者证实，他们参观肯特郡特易购超市的停车场时，看到这种确实珍稀的鸟类相当吸引人。它们栖息在停车场里。

Budapest was embarrassing, a rare moment when people on both sides dropped the ball, but I knew it would pass.

布达佩斯感到困窘，双方都犯了错，这是一个极少出现的情况，但我知道事情总会过去。

Now some of you may be piercing aficionados, and I do not expect everyone to abide by my rare moments of lucidity.

现在你们中间一些人可能是穿洞迷，我也不希望大家忍受我难得的清醒时刻。

Due to the interplay of these diverse independent factors, in rare instances, the optimizer might select less than optimal execution plans.

在这些不同的独立因素的相互作用下，优化器可能会选择不太优化的执行计划。

One of his kids was a girl who had been admitted with a rare disease that paralyzed her from the neck down.

在他照顾的孩子中，有一个女孩得了非常罕见的病，从脖子以下都瘫痪了。

As is often read in the newspaper, wild life especially the rare species is threatened with extinction.

正如同我们经常在报纸上读到的：野生动物尤其是珍稀物种正面临着灭绝的危险。

She said it was one of those rare times she could say she was truly happy.

奥普拉说，这是她一生中难得的几次让她真正感到幸福的美妙时刻之一。

Though crisps, sweets and doughnuts are easy to come by, an apple is a rare commodity .

虽然炸薯片，糖果和油炸面圈饼很容易得到，但是苹果确实稀缺的农产品。

It is not rare to run into the image of a child with his thumb in his mouth against the blurred light of an ultrasound.

一个小孩的图像与他的拇指在他的嘴巴里反抗著对超音波模糊的光线并不是稀奇的。

Adrenal cyst is a rare disease entity, especially that of sufficient size to be detected clinically.

肾上腺囊肿是一种少见的疾病，尤其是大到引起临床症状而被发现者更是少数。

He said he hopes that other countries can share the burden of rare-earth development.

他说，他希望其他国家能分担对稀土的开采。

It was one of those rare smiles with a quality of eternal reassurance in it, that you may come across four or five times in life.

这足极为罕见的笑容，其中含有永久的善意的表情，这你一辈子也不过能遇见四五次。

Spontaneous omental hemorrhage without vasculopathy is extremely rare but is often a fatal event.

至于无以上危险因子网膜还是自发性出血者，虽然非常罕见，但常会致命。

In a rare memo to its employees, the company said it would continue its fight until its arguments are accepted.

三星公司在给员工的一份罕见的备忘录中表示，它会继续斗争，直到其论点被接受。

If hundreds of rare variants are involved in a disease, they may implicate too much of the body's biochemistry to be useful.

如果一种疾病与数以百计的罕见变异有关，则可能意味着太多人体的生物化学物质是有用的。