Shuttles have lifted numerous scientific instruments, observatories,satellites and probes into space.

VOA: special.2010.04.28

His travels took him into contact with observatories, museums, hospitals, botanical gardens.

他到处游历,接触到了天文台,博物馆,医院,植物园

耶鲁公开课 - 欧洲文明课程节选

His travels took him into contact with observatories, museums, hospitals, botanical gardens.

他到处游历,接触到了天文台,博物馆,医院,植物园

耶鲁公开课 - 欧洲文明课程节选