"Right now we have about They get one package of food every two weeks, a total of six packages if they are really in dire circumstances then we sometimes renew their order and send them another six packages."
VOA: standard.2009.09.09
It could be those differences that they experience in their extracellular environment that lead to their choice to either self-renew or to become committed.
有可能就是由于,这种细胞外环境的不同,最终导致它们自我更新,或者成为定向的祖细胞
The homeowner in this case tried to renew his subscription at the scene of the fire.
当时,这位房主,在火灾现场想要续订消防服务。
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