很少见

Exogamy remains much less prevalent among African Americans.

异族婚姻在美国人中仍然少见。

It is rare for the responsibility for causing conflict to rest solely on one side.

只因为一方就造成冲突是少见的。

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的病例少见。

CSMT-induced cervicothoracic epidural hematoma, such as the one we describe here, is an extremely rare event.

CSMT引起如本病例的颈胸椎硬膜外血是少见的。

This sexually dimorphic lovebird species is rarely seen in aviculture and is known to be difficult to breed.

这种两种性别容易分辨的爱情鸟在鸟类饲养中少见的，而且繁殖。

Conclusion PEA, a rarely seen disease,is hard to differentiate from synovioma, fibrosarcoma or giant cell tumors, whose diagnosis depends on pathological examination.

结论该病少见，与滑膜肉瘤、纤维肉瘤及巨细胞瘤别，确诊依靠病理检查。