pēn qì
jet
blast of air
spurt of gas
Pēn qì Tuī jìn Shí yàn shì
Jet Propulsion Laboratory, R&D center in Pasadena, California
Gǔ gēn hǎn pēn pèn qì tuī jìn yán jiū zhōng xīn
Guggenheim Aeronautical Laboratory at the California Institute of Technology (GALCIT, from 1926)
Guggenheim jet propulsion center (from 1943)