Can secrete alexin of a kind of plant, can be inside shorter time kill the harmful to human body bacteria in air.
能分泌出一种植物杀菌素,

短
时

空气中对人体有害
病菌杀死。
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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.
它还发现植物杀菌素——树木释放
化学物质——对人体具有

物作用,可增强我们
免疫
统。 美国斯坦福大学几年前进行
另一项研究发现了类似
好处。