英国大学教授扎尼基则成：“我们相信泰坦有形成生命必需的化学物质。
Professor John Zarnecki, of the Open University, said: 'We believe the chemistry is there for life to form.
卡西尼计划的所有证据都表明土卫五太过寒冷，并且缺乏生命必需的液态水。
All evidence from Cassini indicates Rhea is too cold and devoid of the liquid water necessary for life as we know it.
这些被移入的细胞一旦进入患者的骨髓被吸收后，就可制造出生命必需的健康的红细胞、白细胞和血小板。
Once these transplanted donor cells get settled within the patient's bone marrow, they make the healthy red blood cells, white blood cells and platelets necessary to support life.
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