天文学家长期以来都在推测，最终可能会在星际空间或者是在难以探测的大量星系中发现丢失的重子质量。

Astronomers have long speculated that the missing baryonic mass might eventually be discovered in intergalactic space or as some large population of galaxies that are difficult to detect.

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牧师发现丢失的财富。

Priests finding lost treasure.

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发现又有东西丢失的时候，她又怀疑起来。

Her suspicions returned when things started going missing again.

《牛津词典》

As we've found cells from adult organisms that seem to be multipotential and studied them more carefully, some of their potentials turn out to be lost, they're not exactly the same.

因为我们在成人机体中找到,这些看上去是多能干细胞的细胞后,仔细研究后发现它们的一些潜能已经丢失,和胚胎中的那些并不一样

耶鲁公开课 - 生物医学工程探索课程节选