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...
旁边兴建豪华酒店、赛车场及体育运动中心供游人消遣.A luxury hotel car - racing track and sports centre were also added.选手在带有倾斜弯道轨道的室内赛车场地上拼命地蹬他们的自行车.Cyclists pedal their bikes furiously when riding in the velodrome on a track with banked turns.BG...
The patient rates the therapies on a scale of zero to ten.患者按十分制给这些治疗方法打分。Car firms are desperate to achieve economies of scale.汽车厂商拼命想要实现规模经济。A full-scale debate is under way on what ails the industry.关于工业为何陷入困境正在展开一场全面...
The snout of the Mercedes poked through the gates.奔驰轿车的前部把大门洞穿了。Pigs dig earth with the snout.猪用嘴拱地.The tank stopped with the long snout of its gun turned to the ridge.坦克停了下来，长长的炮管转过来瞄准了山脊。...