在阳台上她不会遭到猛禽的袭击.She was safe from predatory birds on the verandah.他是一只年轻的鹰, 一只猛禽.He is a young eagle, a bird of prey.有些猛禽从不攻击鸟类, 另外一些也只是偶而为之.Some raptor never attack birds, others only occasionally....
The viruses are very simple constructed compared to even a mycoplasma cell.即使与枝原体细胞相比,病毒的结构也是十分简单的.This applies to most respiratory infections ( e . g . mycoplasma infections, infectious coryza, laryngotracheitis ).大多数呼吸...