在三英里处，我经过了一个标志，上面写着：“加油！奔跑者！”

At mile 3, I passed a sign: "GO FOR IT, RUNNERS".

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海洋沉积物中浮游生物的这种变化标志着白垩纪和第三纪的分界线。

This change in plankton found in marine deposits is what marks the boundary between the Cretaceous and the Tertiary.

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这些信号产生了一些我们所熟悉的痛苦的标志：仅举三个例子——颤抖、出汗和快速移动的双脚。

These signals produce the familiar signs of distress: trembling, perspiration and fast-moving feet, just to name three.

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The Magi here are, again, an image, a kind of visionary symbol, an image available "in the mind's eye" at all times.

这儿，三圣贤又是个意象，一个幻想出的标志，时时存在于大脑中的一个意象。

耶鲁公开课 - 现代诗歌课程节选