Numerous ideas were submitted for the project, including concepts ranging from rolling eggs to tilting tanks, from giant seesaws to overhead monorails.

许多人为该项目提供了想法，包括从滚动的鸡蛋到倾斜的坦克，从巨大的跷跷板到空中单轨铁路等概念。

youdao

White House to play this game every year, but is rolling eggs on the lawn only.

美国白宫每年也玩这种游戏，只不过是把蛋放在草坪上滚动而已。

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Their eggs from rolling down the hillside: Who broke the last egg, will win, all property of all of his eggs.

他们把彩蛋从山坡上滚下：谁的蛋最后破，谁就获得胜利，全部彩蛋都归他所有。

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The tradition of rolling hard boiled eggs down the hills continued until 1876 when Congress put a stop to it.

FORBES: As Squabbles Over Budget Continue, Annual White House Easter Egg Tradition Rolls On