摘要
凯瑟琳·强森觉得这个问题很好玩。她听了先是嘴角微微上扬,很快变成满面笑容。随着百岁生日的到来,她知道自己为何能如此健康长寿吗?
Katherine Johnson is amused by the question.A smile starts at her mouth and quickly spreads across her whole face.As she approaches her 100th birthday,does she have any explanation for her longevity and health?