癌的正确疗法成了无止境的议论.The correct treatment of cancer is a matter for almost endless debates.不育妇女患乳癌的倾向性较高.Infertile women have a somewhat higher risk of developing breast cancer.乳癌的发生在青春期后10年内即已决定.The setting for breast cancer...
marine biota海洋生物区They have had serious effects upon the biota of stream.它们对河流中的生物群体产生严重影响.regional biota区域性生物群The past decade has witnessed the discoveries of various important fossils from the Mesozoic Jehol Biota.摘要最近十...