Although it's impossible to keep your hands germ-free, washing your hands frequently can help limit the transfer of bacteria, viruses and other microbes.

虽然不可能让你的手保持零细菌，但是勤洗手可以帮助你限制细菌、病毒和其它微生物的转移。

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Germ-free mice spent more time roaming about an open arena than other mice did.

无菌鼠比另一老鼠会花费更多的时间游荡在空闲区域。

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Keep your kitchen sponge or cloth germ-free by microwaving it on full power for 2 minutes daily.

每天将海绵纱布或无菌抹布放到微波炉里高火加热2分钟。

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However, if germ free animals were colonized early in life, these effects could be reversed.

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But perhaps the most bizarre items are anti-bacterial plastic maracas for that germ-free salsa experience.

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Researchers then transferred samples from the guts of the three groups of mice into other germ-free mice.

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