VOA慢速英语:Study: Insecticide Is Killing Wild Bees

短语讲解：

1. She spoke about the results of the study in a video released by the journal Nature, which published it:

speak about 提到…; 谈论
例句：Why did I speak about the hospital?
我为什么我要谈起医院那些事？

2. “The most dramatic result we found was that bumblebee colonies almost didn’t grow at all at the treated sites compared to the controlled sites.”

compare to 把…比作， 喻为; 与…相比
例句：They have nothing to compare to.
没有东西让他们来比较。

3. He works at the University of Maryland. He was not involved with the research on neonicotinoids.

involve with 与（某人）有密切关系
例句：Don't involve yourself with those people
别与那些人混在一起。

4. He says the chemicals should be used more sensibly, or, in other words, only when necessary.

in other words 换句话说
例句：In other words, menus provide a pedagogic vector.
换句话说，菜单是一条学习的途径。