在飞机坠毁的地方，仅剩的那位幸存者倚靠在树旁，把刚刚啃光的骨头扔到旁边的骨头堆里，这时，他看到救援队到来了。
At the site, one lone survivor sat with his back against a tree, chewing on a bone. As he tossed the bone onto a huge pile of bones, he noticed the rescue team.
长期以来被称为“森林城市”，波特兰今天至少保留着20,000棵树，其中包括约100棵榆树，它们在20世纪60年代所爆发的荷兰榆树病中幸存了下来。
Long called the "Forest City," Portland maintains at least 20, 000 trees today, including about a hundred elm trees that survived a 1960s outbreak of Dutch elm disease.
阿克里教授说已生根发芽的树会幸存，可是幼苗却无法生长了。
Professor Ackerly says established trees could survive, but seedlings would not grow.
出人意料的是这棵幸存的树中年轮的木质中每公斤仅含2.3毫克汞。
What was surprising was that the wood of the survivor tree's rings had only 2.3 micrograms of mercury per kilogram in it.
出人意料的是这棵幸存的树中年轮的木质中每公斤仅含2.3毫克汞。
What was surprising was that the wood of the survivor tree's rings had only 2.3 micrograms of mercury per kilogram in it.
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