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1·When the walk was over and the class dismissed, Rinker and I returned to the scene of the grime.

走完步道，下课了。林克和我回到粪便现场。

2·After the lecture, Rinker led us on a scat search along a boardwalk that snakes through a cypress swamp section of the refuge.

授课结束后，林克带领我们到保育区的柏木沼泽地，沿著蜿蜒的步道搜寻动物粪便。