单词	gravity assist
释义	gravity assist 重力助推
随便看	firsts first sacker first sackers first sale first sale doctrine first-sale doctrine first saloon passenger first sample firsts and seconds first scale-step first scattering angle first-scattering angle first-school first school firstscope first screen First Sea Lord first-season first season crop First Secretary first secretary of state first section first segment first selecting first selectman 其间杜秋者其险也如此其险也若此其险也若此其馀不敢费具备万物典章文物兹事已千秋兹地在湘南兹楼日登眺ゆぶね【湯船（湯槽）】ゆまきゆまき【湯巻き】ゆまくゆまく【油膜】ゆまにてゆみゆみ【弓】ゆみずゆみず【湯水】