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Can secrete alexin of a kind of plant, can be inside shorter time kill the harmful to human body bacteria in air.

能分泌出一种植物在较短时间内中对人体有害杀死。

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craving, cravings, craw, craw-craw, crawdad, crawfish, Crawford, crawk, crawl, crawl space,

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3G, 401(K), a,

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BBC随身英语(官网版)

It also found phytoncides - chemicals emitted by trees - have an anti-microbial effect on humans, boosting our immune systems. Another study carried out a few years ago by Stanford University in the US, found similar benefits.

它还发现植​​物杀菌——树的化学物质——对人体具有抗微物作用,可增强我们的免疫系斯坦福大学几年前进行的另一项研究发现了类似的好处。

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crawlway, crawly, craws, cray, crayfish, crayon, crayonist, crayons, craze, crazed,

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3G, 401(K), a,
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