You are propagandising by attempting to mix evolutionism with biochemistry.你把进化论和生物化学搞混了.There are two main types of uses of radioactive isotopes in biochemistry.在生物化学中,放射性同位素主要有两方面的应用.She studies biochemistry, or the sc...
排名第三的巴尼特队以0–3的比分在克鲁遭遇惨败。Third-placed Barnet were humbled 3-0 at Crewe.警察在巴尼特市政厅值守。Police were on guard at Barnet town hall.史·巴尼特迟来的发挥,使他最终为澳大利亚夺得了一块铜牌.Steven Barnett's late surge helped him to win a bronze for Austr...
Why did people get in a flap over nuclear energy?为什么人们对核能惶恐不安呢？Accidents occur in all fields; why not in nuclear energy production?不论什么领域里都有可能发生事故, 为什么核能生产就不会发生事故 呢 ?People tend to get overly emotional about nuclear ener...
钋是高放射性的元素,金属.Polonium is a highly radioactive element and a metalloid.两个遗留有钋的星球被一些不明原因突然破坏.Two old plutonium disposal plants damaged at once by some unestablished reason.钋的同位素在自然界中的确存在,但是相当罕见.The isotope does occur in na...