The suspended cell lines of bacteria-free tissue were set up.

建立了脱菌的悬浮细胞系；

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The present invention is sour milk without microbial contamination and its preparation process, especially foreign bacteria-free packing technique for sour milk.

本发明无杂菌酸奶属于酸奶加工工艺技术领域，特别是酸奶产品及其包装的无杂菌化工艺。

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Next time you're looking for a relatively bacteria-free place to store your lunch, consider that the bathrooms in your office are probably cleaner than the fridge.

如果下次你要找一个无菌的地方来存放你的午餐，考虑一下卫生间吧，或许那都比你的冰箱干净。

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Bacteria-free animals spent significantly more time in the light box than their bacterially colonized littermates.

FORBES: Thinking With Your Gut. Literally.

Once the finished genome was inserted into the genome-free bacteria, the work regressed to the sort of microbiology that would have been familiar to the science's 19th-century pioneers.

ECONOMIST: Artificial lifeforms

They found that colonizing an adult germ-free animal with normal gut bacteria had no effect on their behavior.

FORBES: Thinking With Your Gut. Literally.