1.The study began after a chance remark by a colleague, an environmental scientist, who wondered what Earth would be like if the sun went out.
斯维兹的一名环境学家同事曾无意间说，“太阳若是燃尽了，地球会变得怎样？”
2.SHIRLEY GRIFFITH: Jennifer Burney is an environmental scientist.
雪格里菲斯：珍妮伯尼是环境科学家。
3.Environmental scientist Jeff Dauzat says officials are testing fish from across the state.
环境科学家杰夫多萨特官员说，从测试的全州鱼。
4.the hopes and fears of an environmental scientist
一位环境科学家的希望和恐惧。