The function of the thymus was unknown until relatively recently.

直到不久以前，人们对胸腺的功能尚不明了。

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But until relatively recently we've known little about its true nature.

可一直到最近，我们才开始了解它的真实状况。

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Some of these details I didn't know were visible in any images of Jupiter until relatively recently.

据我所知，其中有些细节直到最近都没有出现在任何木星图像中。

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The incident severely strained the bond between Turkey and Israel, which until recently had enjoyed relatively warm relations.

VOA: standard.2010.06.10

Up until relatively recently these countries accepted a need to import management expertise from the West.

FORBES: The Business School Beat

Until relatively recently, lawyers, architects and pharmacists learned their trade through apprenticeship, not through higher education.

FORBES: Five Reasons To Skip College

This former hospice for pilgrims and, until relatively recently, a working hospital, contains almost a millennium of history, religious art and ruins.

BBC: Two days in Siena, Italy