To elementary school children, Higginbotham may discuss a problem that many kids want to know about.
对于小学生来说，希金波坦可能会讨论一个很多孩子都想知道的问题。
2
When US spacewoman Joan Higginbotham is not flying and working in space, she might be found somewhere on earth giving a speech.
当美国女宇航员琼·希金波坦不在太空飞行和工作时，她也许在地球上的某个地方发表演讲。
3
Higginbotham, who grew up in Chicago and became an engineer before joining NASA, that is the National Air and Space Administration, gives about a dozen speeches a year.