宇航局 yǔhángjú space agency Definitions Defs Origin Strokes Stroke Words Sentences Sents 美国宇航局 Měiguó Yǔhángjú NASA National Aeronautics and Space Administration, the U.S. federal agency responsible for the civil space program, aeronautics, and space research美宇航局 Měi Yǔhángjú NASA US National Aeronautics and Space Administration (NASA)
