The largest plane ever constructed—the Spruce Goose—is largely comprised of spruce.

有史以来建造的最大飞机，云杉鹅主要是云杉组成的。

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Eccentric millionaire Howard Hughes sits at the controls of his 200 ton flying boat named the "Spruce Goose".

百万富翁霍华德·休斯坐在他命名为“云杉鹅”200吨的飞行船。

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They aren't mass produced, and they often have limited lives (think Howard Hughes' Spruce Goose--the largest plane ever made, which flew just once).

FORBES: Magazine Article

But nothing outdid the Hughes H-4 Hercules, or Spruce Goose.

FORBES: Magazine Article