英语词汇“Potomac R.”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	Potomac R.
释义	Potomac R. [地名] 波托马克河 ( 美 )
随便看	heightening heightening of dam heightenings heightens height equation height equivalent height equivalent of theoretical plate height equivalent of thoretical plate height equivalent to a theoretical plate height equivalent to a theoretical stage height equivalent to a transfer unit height equivalent to transfer unit height error height fear height-fear height fears heightfield heightfields height-finder height finder height finder radar height finding height-finding instrument height finding instrument height-finding microscope 立志为首务立志于先立志则有本，譬之艺木，由毫米拱把至于合抱而干霄者，有本故也。立志在坚不在锐，成功在久不在速立志容易，做事艰难立志当如山，求师当如海立志欲坚不欲锐，成功在久不在速。立志用功如种树然。方其根芽，犹未有干，及其有干，尚未有枝，枝而后叶，叶而后花。实初种根时，只管栽培灌溉，勿作枝想，勿作叶想，勿作花想，勿作实想。悬想何益，但不忘栽培之功，怕没有枝叶花实？立志者，为学之心也；为学者，立志之事也。立志者，有为之本。井井井の中の蛙大海を知らず井守井戸井戸端井戸端会議井桁井目井筒