Or , if not, thou strange and elfish child, whence didst thou come? "要不是这样, 你这个怪里怪气的小妖精似的孩子是从哪儿来的? ”Didst thou ever meet the Black Man, mother? "你以前遇到过这个黑男人吗, 妈妈? ”And the angel said unto me, Wherefore didst thou marvel?...
HIV - 1 integrase ( IN ) integrates viral DNA into host cells through two steps metal ions - dependent reactions.HIV -1 整合酶 ( IN ) 通过依赖金属离子的两步反应将病毒DNA整合入宿主细胞中.IntI 1 integrase gene and class 1 integron marker genes were ...
1665年伦敦爆发了腺鼠疫.Bubonic plague struck London in 1665.携带经由跳蚤从啮齿动物到人类, 腺鼠疫不能通过人传人.Carried by fleas from rodents to humans, bubonic plague cannot pass from human to human....