Like vitamins and minerals, microRNA may represent a previously unrecognized type of functional molecule obtained from food.

就像维生素和矿物质，MicroRNA可能会是一种以前未辨认出的从食物中摄取的功能性分子。

youdao

This was accomplished by observing Cepheid variables at optical wavelengths out to greater distances than obtained previously and comparing those to similar measurements from ground-based telescopes.

这是通过观测比先前远得多的造父变星的可见光谱实现的，结果与地面望远镜观测结论类似。

youdao

Unfortunately, a few Chinese and Korean students obtained the previously administered tests.

不幸的是，一些中国和韩国的考生拿到了之前考试的试卷。

youdao

But because Planck's map is so much more detailed than anything previously obtained, it is also possible to see some anomalies in it.

BBC: Planck satellite: Maps detail Universe's ancient light

This relief, which primarily applies to corporations, partnerships and trusts that previously obtained a tax filing extension, is available to taxpayers regardless of their location.

FORBES: September 15 Deadline Relief - Mixed Blessing

The MP had previously obtained a court order requesting the phone be handed over with any relevant information, but the newspaper was unable to provide it.

BBC: Sun apologises for accessing MP's stolen phone