The "Double Bubble", as it is called, looks awkward, but the team estimates that its design would reduce fuel consumption by about 70%.
这架“双泡沫”，暂且这么称呼，看起来不雅观，但它的研发组估计这种设计能将油耗减低70%。
2
Nearly 15 years after the first managerial team of Biosphere 2 was ordered out by federal marshals, scientists yearn for a way to fulfill the true promise of Earth-in-a-bubble experiments.