1. At a summer job working as park naturalists that year, I flipped the canoe. Air and I were paddling and we had to push it to shore. 在我作为公园自然主义者做暑期兼职那年，我把独木舟翻转了个身。Air 和我划着水，我们必须把它推到岸边。
2. When wolves later reached the island, naturalists widely assumed that the wolves would play a key role in controlling the moose population. 博物学家们普遍认为，当狼群之后抵达该岛时，它们将在控制驼鹿数量方面发挥关键作用。
3. The reason for what follows remains a mystery for zoologists and naturalists. 接下来发生的事情的原因对于动物学家和自然学家来说仍然是个谜。
4. The existence of competition has been long known to naturalists; its effects were described by Darwin in considerable detail. 自然学家早就知道竞争的存在；达尔文对它的影响做了相当详细的描述。
5. Naturalists compare forest to human's lungs. 生态学家把森林比作人类的肺。
