ex·pati·ateBrE/ɪkˈspeɪʃieɪt/NAmE/ɪkˈspeɪʃieɪt/verbpresent simple - I / you / we / theyexpatiateBrE/ɪkˈspeɪʃieɪt/NAmE/ɪkˈspeɪʃieɪt/present simple - he / she / itexpatiatesBrE/ɪkˈspeɪʃieɪts/NAmE/ɪkˈspeɪʃieɪts/past simpleexpatiatedBrE/ɪkˈspeɪʃieɪtɪd/NAmE/ɪkˈspeɪʃieɪtɪd/past participleexpatiatedBrE/ɪkˈspeɪʃieɪtɪd/NAmE/ɪkˈspeɪʃieɪtɪd/ -ing formexpatiatingBrE/ɪkˈspeɪʃieɪtɪŋ/NAmE/ɪkˈspeɪʃieɪtɪŋ/●exˈpatiateon/uponsth(formal) towriteorspeakindetailaboutasubject详述;细说;阐述