gallons的知识精选

“billion gallons”可以造什么句,billion gallons造句
Theethanolmandateissetatninebilliongallonsfor2008andisscheduledtoriseto36billiongallonsayearby2022.Weuseabout410billiongallonsperdayforthenationasawhole.TheUnitedStatesusedapproximately270billiongallo...
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