Bacterium

GRE 考研

1.细菌 (复数为bacteria) They have isolated the bacterium in its pure form. 他们已经把细菌分离出来，使它们处于较纯的状态。 A bacterium is identified as the cause for his duodenal ulcer. 一种细菌被断定为造成他十二指肠溃疡的根源。 Bacteria belong to the microorganism. 细菌属于微生物。 Bacteria are invisible to the naked eye. 细菌是肉眼看不见的。 All bacteria are larger than viruses. 所有细菌都比病毒大。 Antibiotics should kill off the bacteria. 抗生素应能杀死这种细菌。 Bacterial reproduction is accelerated in weightless space. 在失重的空间,细菌繁殖加快了。 Bacteria sticks to food debris in the teeth, causing decay. 细菌附着在牙缝中的食物残渣上，道致蛀牙。 Bacteria was introduced into his bloodstream through an unsterile needle. 细菌通过未消毒的针进入了他的血流中。 A microscope magnifies bacteria so that they can be seen and studied. 显微镜把细菌放大,使人们得以看见并研究它。 形容词 adj. 1.细菌的