Monday, June 16, 2008

bacteria on the watch

这个是我在microbiology practical lab的时候,用sterile swab将手表上的细菌拿出来,然后放在agar plate上边培植的。好明显我的手表占有好多细菌。真的好恐怖!以后我会多D抹我的手表,要注意卫生啊......







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