New research suggests that a commonly used group of insecticides could cause bees to have a hard time finding their way back to their hive. The new research looks at the use of pesticides called neonicotinoids. 新研究发现，一类常用的杀虫剂可能会使蜜蜂很难找到回蜂巢的路。这项研究调查了一种名为新烟碱的杀虫剂的使用情况。
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作者: gqinchunh123 时间: 2012-5-13 18:04
听听听作者: AnnStone 时间: 2012-5-14 09:17
They were first used in the 1990s. They are now put on the seeds of many majoy crops around the world. The seeds absorb the chemical as they grow.作者: dentist 时间: 2012-5-30 20:59
They were first used in the 1990s.They are now put on the seeds of many major crops around the world .The seedlings absorbed the chemical as they grow作者: 3D小王 时间: 2012-6-14 08:35
