词汇	贫国
释义	贫国 pín guó〔名〕poor country/nation
随便看	gravitation abscess,gravity abscess gravitational gravitational abnormal gravitational abnormality gravitational abscess gravitational acceleration gravitational acceleration field gravitational acceleration simulation suit gravitational acceleration unit gravitational acceleration unitg gravitational acceleratoin field gravitational agency gravitational anomaly gravitational assist gravitational astronomy gravitational attraction gravitational attractions gravitational balancing machine gravitational bed gravitational biology gravitational bound state gravitational bremsstrahlung gravitational calibration gravitational center of wagon loaded gravitational change