单词	falling-ball method
释义	falling-ball method 落球法
随便看	Nasabid NAS accelerator NASA code nasa communication operating procedures NASA Communication Operating Procedures NASA Communications Network Nasa communications operating procedures Nasa nasa communications systems NASA Communications Systems nasacort Nasacort nasacort aq Nasacort AQ nasa data processing facility NASA Data Processing Facility NASA Data Processing Faility NASA Defense Purchase Request NASA Electronic Research Center nasa end-to-end data systems NASA End-to-End Data Systems NASA Energy-Cost Analysis Program nasa/esa nasa extended fortran NASA Extended FORTRAN nasa fever