1. Then some astronomers came up with the idea that atmospheric ammonia might have acted as a greenhouse gas. 后来一些天文学家提出，大气中的氨可能起到温室气体的作用。
2. To serve as responsible stewards of the planet, we must press forward on deeper atmospheric and oceanic research. 为了成为地球上有责任心的一员，我们必须推进对大气和海洋更深入的研究。
3. Franklin conducted his dangerous kite experiment in a thunderstorm, founding the science of atmospheric electricity. 富兰克林在雷雨中进行了危险的风筝实验，从而奠定了大气电学的基础。
4. It would be better if there were some way to see atmospheric water while it is still vaporing before raindrops form. 如果我们能找到一些能在雨滴形成以前的蒸汽状态下就观察到大气水方法，情况会变的好一些。
5. An increasingly attractive theory holds that decreases in atmospheric carbon dioxide start the cooling trend that leads to glaciation. 一个越来越有吸引力的理论认为，大气中二氧化碳的减少引发降温趋势，这趋势导致冰川作用。
