双语例句原声例句
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事实证明，洗手能够有效去除有害细菌并阻止细菌扩散。
It has been shown effective in removing harmful germs and preventing their spread.
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用糖和抗生素艮他霉素一起治愈了患有慢性尿道炎的老鼠，并阻止细菌扩散到老鼠的肾脏。
Administering sugar along with an antibiotic called gentamicin cured mice with chronic urinary tract infections, and kept the bacteria from spreading to their kidneys.
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他认为，对于身处干燥环境中的细菌来说，分子不易在菌落之间进行扩散，而空气中的氨就可以作为一重要的营养源的指示信息。
He proposes that for bacteria living in a dry environment, where molecules could not easily diffuse between colonies, airborne ammonia could serve as an important indicator of nitrogen sources.
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Remember that these cells are relatively large compared to bacteria and so diffusion doesn't occur very quickly over this length scale.
要知道这些细胞相对细菌而言,还是比较大的,扩散作用在这种尺度上,发生得不是那么快
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