两个小伙子正在松散的砾石路面上赛摩托车。Two young men were racing motorcycles on the loose gravel.和多数研讨会一样，这些研讨会也比较松散随意。As seminars go, these are loose, unstructured affairs.我儿时的回忆是一些朦朦胧胧的松散片段。My memories of childhood are hazy and episodic....
Supplying nutrients and immunities to my baby?为我的宝贝提供营养物质和免疫物质?And these provide immunities against the a host of infections and diseases.这些物质可提高婴儿的免疫力,使之免受病毒感染和疾病侵袭....