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...
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...
She turned him in the bed so that the sheets wouldn't chafe his skin into sores...她帮他翻了个身，免得他生褥疮。Sheets of postage stamps are perforated.一张张的邮票都打过接缝孔.In graphite sheets, carbon atoms bond together in rings.石墨层中的碳原子相...
于是球体变成为椭球体.In this way the sphere is transformed into an ellipsoid.它绕着质心的椭园运动就几乎看不出来.Its own elliptic motion around it will be almost imperceptible.可以消去地球椭率的影响.It may eliminate the influence of the earth's elliptici...
Space your words evenly when you write.写字的时候,字与字之间要均匀地分开。Galactic surveys show that distant galaxies are not as evenly distributed in space as theory predicts.对银河系的研究表明，遥远星系在太空中的分布并不像理论所预言的那样均匀。The grassland stretches ev...
这种矿物带有轻微的磁性。The mineral is weakly magnetic.主体材料是矿物增强热塑性塑料。The body is made of mineral-reinforced thermo-plastic.电力工业消耗大量的矿物燃料。The electricity industry consumes large amounts of fossil fuels....