The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。the ability of the virus to mutate into new forms病毒变异成新菌株的能力A newer anti-HIV drug called pyridinone caused HIV to mutate int...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.一种叫作吡...
Confine the use of insecticides to the evening and do not spray plants that are in flower...只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。The US will soon be taking steps to confine the conflict.美国很快就会采取措施限制冲突。It is sad to see a county confi...
不过，缺乏的是一种内在的艺术凝聚力。What is missing, however, is an internal, artistic cohesion.他们给他验了血，以检查是否有维生素缺乏的迹象。They did blood tests on him for signs of vitamin deficiency.认为老年人性缺乏的倾向the tendency to see old people as asexual...