This keeps Merb-core small and fast while still allowing for full-blown applications to be constructed.

这使得Merb核心小而快，而且依然可以构建成熟的应用。

youdao

He gathered a small core of advisers around him.

他的周围聚集了一帮谋士。

《牛津词典》

In theory, you need molten iron in the core to generate one, but Mercury is so small, its core should have long since solidified.

理论上，你需要核心里的熔化铁来产生它，但是水星很小，它的核心凝固还要很久。

youdao

But, though he still has a small core of loyal voters, his popularity has fallen.

ECONOMIST: The Louisiana House race

The partnership has a small core of staff who work to source funding for practical work which has been identified as necessary.

BBC: Quantock Hills: Views sought on future protection plan

Poland now has around 100 microbreweries run by a small core of dedicated enthusiasts who are collaborating to build a growing demand for craft beers.

BBC: Krakow brews a beer scene of its own