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。

Naturalists compare forest to human's lungs.

生态学家把森林比作人类的肺。

The naturalists compare the trees to human beings lungs.

自然学家甚至把树木比作人类的肺部。

The moral naturalists differ over what role reason plays in moral judgments.

道德自然主义者对于理智在道德判断中扮演的角色也有分歧。

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。