缪尔一生都在观察中学习，这使他在生命的最后几年致力于保护自然环境。
Muir's learning in observation throughout his life led him to devote his last years to preserving the natural environment.
在运走之前，这八只大熊猫被安置在大熊猫保护中心接受观察，现在它们的健康状况良好。
Before the transportation, the eight pandas were placed under observation in the giant panda protection center, and they are now in good health.
我们生活在这个世界上，所以我们就要去观察并理解这个世界，保护我们的环境，让我们的生活更加高效更加美好。
We live in this world, and we have to observe and understand it to protect our environment and make things more efficient.
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