The evidence comes from a 40, 000-year-old human fossil with delicate toe bones indicative of habitual shoe-wearing, experts say.

专家们说证据来自于一个有4万年历史的人类趾骨化石，这个纤细的趾骨化石是惯常穿鞋的象征。

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Kun opera, which has a history of 600 years, is a living fossil in the history of opera, whose delicate musical style makes it unique in the Chinese traditional opera.

昆曲是戏曲史上的活化石，流传至今已有六百多年历史。它那婉转细腻的音乐风格在传统戏曲中独树一帜。

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Now another floated up, a blue sphere, and hovered over a landscape of delicate ruined cities and fossil seas.

ECONOMIST: Ray Bradbury

None of their delicate sensibilities and sophisticated culture will survive in the fossil record.

FORBES: Prototyping The Distant Future