"This is the Army" also was performed for the American troops at military bases around the world.

VOA: special.2009.12.20

You can say a polymer of DNA, for example, is four bases long, that means it has four of these repeat units and they go in the sequence from 5' to 3' of .

打个比方,要描述一个由,四个核苷酸单位构成的寡聚DNA,就是说它由四个核苷酸单位构成,并且从5'端到3'端的顺序为

耶鲁公开课 - 生物医学工程探索课程节选

The militants are using their bases in Pakistan's remote tribal regions bordering Afghanistan for launching attacks against government and security targets across the country.

VOA: standard.2009.10.16

People aren't talking about setting up Moon bases and throwing rocks at Earth, for example."

VOA: standard.2010.04.21

"These are the habitats that provide really valuable places for the fish to get together, to aggregate,to spawn, so they are the bases of the fisheries."

VOA: standard.2010.05.26

The country's presumptive new Prime Minister Democratic Party of Japan leader Yukio Hatoyama - has called for a review of the bases agreement and the closure of the Futenma facility altogether.

VOA: standard.2009.08.31