1. An ecologist who studies a pond today may well find it relatively unchanged in a year's time. 如今研究池塘的生态学者很可能会发现，池塘在一年之内基本没什么变化。
2. "Many factors contributed to the decline", said Patrick McIntyre, an ecologist who was the lead author of the study. 该研究的领头作者、生态学家帕特里克·麦克伦泰尔表示：“许多因素导致了这种下降。”
3. "Our philosophy with the island has always been, 'OK, remove the threats and let the island go back to what it was'," says ecologist Christina Boser. 生态学家克里斯蒂娜·波沙说：“对待这座岛的理念一直是，‘好的，消除威胁，让岛屿回归它原本的样子’。”
4. The ecologist is concerned primarily with the quantities of matter and energy that pass through a given ecosystem, and with the rates at which they do so. 生态学家主要关注的是流经某一生态系统的物质和能量的量以及它们的速度。
5. But when I told an ecologist I know, she was horrified. 但当我把这告诉一位我认识的生态学家时，她吓了一跳。
