The original proposal had been mothballed years ago.

最初的建议几年前就束之高阁了。

《牛津高阶英汉双解词典》

When not needed in war, it can be mothballed in a warehouse.

一旦战争不再需要它们, 它们可以被封存在仓库里.

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When not needed in war, it can be mothballed a warehouse.

一旦战争不再需要, 被封存在仓库里.

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Mothballed as a transportation lifeline, it might have forever faded from interest.

渡口被当作交通生命线而封存起来,本应永远从人们的兴趣中褪去.

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