Right now I'm in Harvard Forest outside of Petersham, Mass. , getting a tour of the forest floor from Michael Silverstein and Zoey Werbin, a couple of Boston University grad students who study microbial ecology.

现在我正在马萨诸塞州彼得舍姆外的哈佛森林中，由波士顿大学微生物生态学研究生 Michael Silverstein 和 Zoey Werbin，带领我探访这座森林的地表。