We cannot say it must be endometrial orgin because this is endometrial biopsy.
尽管这是内膜活检但是我们不能肯定是内膜原发。
To understand the orgin of the Black Labrador Retriever , it almost requires a study of the history of Newfoundland.
要了解黑拉拉的起源，这几乎需要了解整个纽芬兰的历史。
This paper discussed the cause of distinction of the particle density and the orgin of tubular and vesicular structure in spaces.
本文还讨论了细菌周膜断裂面上颗粒密度不同的原因及腔中管泡状结构的来源。
The bronchial artery is orgin of blood supply of lung cancer. The pulmonary artery doesn t participate in the blood supply of lung cancer.
支气管动脉是肺癌的供血来源，肺动脉不参与肿瘤的供血。
The bronchial artery is orgin of blood supply of lung cancer. The pulmonary artery doesn t participate in the blood supply of lung cancer.
支气管动脉是肺癌的供血来源，肺动脉不参与肿瘤的供血。
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