1. This is not a world likely to note the advice of a serious environmentalist. 这个世界不大可能会留意到一个严肃的环境保护者的警告。
2. He is an environmentalist with a passion of the biology and geography of the region. 他是一个环保人士，对这个地区的生物和地理很有热情。
3. The recent decision to give the prize to a Kenyan environmentalist, Wangari Maathai, was also odd: she has done a lot to plant trees in Kenya, but not much to promote peace. 奇怪的还有，最近，肯尼亚的环保主义者旺加里·马塔伊获颁和平奖，代之以致力于对和平的更多促进，她不过是在肯尼亚植起了大片树林。
英英解释
n.
1. someone who works to protect the environment from destruction or pollution
