古根罕 Gǔgēnhǎn Guggenheim Definitions Defs Origin Strokes Stroke Words Sentences Sents 古根罕喷气推进研究中心 Gǔgēnhǎn Pēnqì Tuījìn Yánjiū Zhōngxīn jet propulsion center Guggenheim Jet Propulsion Center (established in 1943)
