1·When European naturalists first encountered this bizarre creature, they were understandably baffled.
当欧洲博物学家首次遇到这种怪诞的生物，他们感到费解。
2·Ants have fascinated philosophers, writers and naturalists for thousands of years. But the past decade has seen a flurry of detail emerge about the natural history of the insects.
几千年来，无数的哲学家，作家、博物学家对蚂蚁非常着迷。但在过去十年中出现了一系列有关这种小虫的自然历史的细节。
3·Field naturalists have observed the activities of weasels for centuries.
地里博物学家几个世纪以来已经观察鼬的活动。
4·It had been considered extinct for nearly 80 years, but the Tasmanian tiger has been declared alive and kicking by an intrepid group of British naturalists.
它已被认为已经灭绝了近80年，但已宣布塔斯马尼亚虎活蹦乱跳的一个勇敢的英国博物学家。