Xcor executives have already begun musing about the day when space travel is commonplace , according to searfoss . "

据希尔福斯称，XCOR公司的高管已经开始设想太空旅游变得司空见惯的那一天。

A camp for musing in some seldom spot .

营沉思於某一稀罕的地点。

She sat musing for hours .

她一连几小时坐在那里沉思默想。

She sat musing over the memories of the past .

她坐着缅怀往事。

He sat in a chair , musing over memories of the past .

他坐在椅子上，深思对过去的回忆。