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...
The dogs were leaping and growling at the full stretch of their chains.那些狗又蹦又叫，把链子绷得紧紧的。I must be put in chains. Must I then also lament?我一定会被拴上锁链的. 我也必定要哀怨 吗 ?Supermarket chains have shaved prices.超市连锁店已经稍稍降价。In silk, i...