Certainly, the limitations imposed by manual labor and the locally available materials of mud-brick and timber necessitated a divergence from the original European church model.
当然,由于手工劳动和当地可利用的泥砖和木材等材料的限制,与最初的欧洲教会模式产生了分歧。
Beanstalks and rotovators are currently limited by the strengths of available materials.
豆茎和旋耕机目前受到可用材料强度的限制。
Stone, wood, tree bark, clay, and sand are generally available materials.
石材,木材,树皮,泥土,沙,一般可用的材料。
That was Governor Arnold Schwarzenegger in June, talking about his effort to get schools to use materials available free online.
VOA: special.2009.08.27
So as some of you probably know, Yale is undergoing an open education project and they're videoing several classes, and the idea of this, is to make educational materials available beyond the walls of Yale.
可能你们已经知道了,耶鲁大学正在开展一个教育项目,我们在录制一些课程的录像,这样做的目的是让,耶鲁外的人也能享受到这些教学资源
Some materials are available free at Web sites like the Purdue Online Writing Lab,or OWL.
VOA: special.2010.02.11
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