罕见

Although superior vena cava syndrome is a common complication of small cell lung cancer, our case may have resulted from an intracardiac invasion, which is rarely seen clinically.

虽上腔静脉症候群是小细胞肺癌常见的并发症，但在我们的病例上，却可能是罕见的左右心房转移造成的临床表现。

Objective Intraspinal cavernous angiomas are rare vascular disease , the purpose of this study is to open out the clinical and imaging features of the disease and to discuss the diagnosis and treatment.

目的 椎管内海绵状血管瘤是罕见的椎管内疾病，本组研究为揭示其临床、影像特征，探讨其诊断和治疗。

We report a rare case of intrathoracic MPNST with rapid recurrence and growth, as presented in a NF-1 patient.

我们报告一例罕见的胸内恶性周边神经鞘肿瘤并第一型神经纤维瘤病。

Intrathoracic kidney is a very rare congenital anomaly with only about 50 cases reported in the world literature.

胸腔内肾臓异位是一个非常罕见之先天性异常，大约只有五二病例被报告於世界文献上。

However this barrier leaks as a result of rare incidences of misimprinting on song,which can lead to hybridization and introgression under some ecological conditions but not others.

但是在一些特殊的生态条件下，生殖隔离可以被由于错误印痕所形成的鸣叫而冲破，导致种间杂交和基因渗入，当然，这种情况非常罕见。

In fact, it is not uncommon for high-level discussions to take place at the research agency's premises, with the respondent as an invitee, and clients observing the conversation.

事实上，这并非罕见的高级别讨论以采取地方在研究机构的处所，与被告作为受邀者，和客户观察的交谈。

They have iridescent colours but are higher and much rarer than ordinary iridescent clouds.

它们有着彩虹般的颜色，但比一般的彩虹云高，也更罕见。

Though rare, a cross between a German Shepherd and an Irish Setter makes for an unusual, long-haired beauty with a sweet disposition.

虽然罕见，两岸之间的德国牧羊犬和爱尔兰二传手使一个不寻常的，长期的长发，美丽的甜蜜的处置。

You may be right. But it is so unusual to see an isolated few 'immature neuronal element" in such a clean back ground with no other "teratomatous changes or components.

你可能是对的，但如此干净背景下仅见孤立的少量"不成熟神经成分"而无其它"畸胎瘤"改变或成分的确是太罕见了。

An unusual Isthmian statuette made of jade, ploughed into a field in the Olmec area.

图5奥尔梅克田野中挖出了一尊罕见的玉雕。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！