The nature of the nutritional requirements for obligate parasites in nature is unknown.人们还不知道自然界中专性寄生菌的营养要求的本质.All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligat...
An obligate anaerobe can survive only in the absence of oxygen.专性厌氧生物只能在无氧条件下生存.Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.绵羊无浆体病是绵羊和山羊红细胞内专性寄生的由节肢动物传播的立克氏体疾病.Paul Ehrlich sees...
She majored in English and minored in education.她主修英文,副修教育.With linguistics as my major, I minored in literature and French.我主修语言学, 辅修文学和法语.Besides these major courses, I minored in painting and handwriting.除了这几门主修课, 我还副...
当他们走近时，每扇门外都有一名卫兵肃身立正。Outside each door a guard sprang to attention as they approached.虽然他有通行证，卫兵还是直勾勾地盯着他。The guard eyeballed him pretty hard despite his pass.卫兵包围了该市的一所别墅后便发生了枪战。Shooting broke out after the guards surr...
This illustration shows a vertical section through the locust.本图所示为蝗虫的纵剖面.The locust shrills his song of heat.蝉儿唱出炎热季节的欢歌.All thy trees and fruit of thy land shall the locust consume.42你所有的树木和你地里的出产必被蝗虫所吃....