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After the hour was up, I rolled down my window, and I checked for mama grizzly. 一小时的时间到了之后，我摇下了车窗，看看灰熊妈妈还在不在。 Oh good, she's over there eating her huckleberries. 哦太棒了，她在挺远的地

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And then in later experiments, we found the opposite, 而在随后的实验中，我们发现了相反的情况， that fir was sending more carbon to birch than birch was sending to fir, 花旗松给纸皮桦送的碳比纸皮桦给它的碳多， a

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Now Im on the lookout for fuel for a nice warm fire. Therere loads of these birch trees around here, and these are what Im looking for. I can tell theyre birch just because of the way theyre silver-limbed. This time of year in the winter, all the lea

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