SSS 2012-01-03
时间：2018-12-24 作者：英语课 分类：Scientific American(一)月
Ever wondered why mosquito eat some people up but leave others relatively 1 unscathed. a new study find this prefential treament due to smells produced by the microscopic 2 critters that cover our bodies. the reaserch is in the journal public library science one.to mosquito ,every human has a particular smell and differences are due in part the particular bacteria on each individual's skin. the study test the malaria-transmitting Anopheles gambiae mosquitos attraction to the ordors fifity adult man.the participant's avoided items such as garlic that will change their natual smell.reaserchers collected the male scents 3 by rubbing glass beads 4 on the bottom on each particapant's feet and swabbed the same skin for microbes and they discovered that mosquito perfer the smells of skin with more abundant but less diverse bacteria communities. the scientists suggest that the diverse community may include some microbes that produce compounds that mosquitos natuarlly dislike .a further reaserch can identify this compounds, it could lead to their development repellents to make bloodthirsty mosquites buzz off.
- The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
- The operation was relatively painless.手术相对来说不痛。
- It's impossible to read his microscopic handwriting.不可能看清他那极小的书写字迹。
- A plant's lungs are the microscopic pores in its leaves.植物的肺就是其叶片上微细的气孔。