比如，生物学高级班的学生，需要长途跋涉到纽约州奥兰吉郡的黑岩森林去测量雪的厚度，经常出入自然历史博物馆。
Advanced biology students, for example, trekked tothe Black Rock Forest, in Orange County, N.Y., to measure snow depth, andfrequented the Museum of Natural History.
我们现在正离开干燥的森林并进入更甚于生物学意义上的不同雨林。
We were now leaving the dry forest and plunging into the far more biologically diverse rainforest.
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