He also notes that researchers are studying other factors that could affect bee populations. These include parasites, diseases and stress caused by transporting beehives to farms.他还提到，研究人员正在研究其他可能会影响蜜蜂数量的原因，诸如寄生虫、疾病，以及把蜂巢运到农场所产生的压力。
_____________________________________________________.
本帖隐藏的内容需要回复才可以浏览
作者: momosense 时间: 2012-5-8 15:58
作者: gqinchunh123 时间: 2012-5-13 18:01
下作者: AnnStone 时间: 2012-5-14 09:28
Some European coutries have banned the pasiticides. And there are growing calls to ban them in the United States as well.作者: dentist 时间: 2012-5-30 22:01
Some European countries have baned the pesticide ,and they are going call to ban them in the United States as well.作者: pxlcqy 时间: 2012-6-1 15:31
some european countries have baned pesticide,and there are growing calls to ban them in the united states as well.作者: jy1991 时间: 2012-6-25 23:14
That means farmers do not need to spray a whole field. Instead there is a little bit of insecticide inside each plant -- including the pollen and nectar that the bees want.这意味着，农民不必在整块田地里喷洒农药了。而每棵植株里只有少量杀虫剂，蜜蜂需要的花粉和花蜜里也有。
_____________________________________________________________.
本帖隐藏的内容需要回复才可以浏览
There is not enough pesticide to kill them. But the new research in the journal Science says it may harm them anyway.植物内的那些杀虫剂还不足以杀死蜜蜂。但《科学期刊》上的新研究表明，这可能会或多或少地危害到蜂群。
