bea·verBrE/ˈbiːvə(r)/NAmE/ˈbiːvər/verbpresent simple - I / you / we / theybeaverBrE/ˈbiːvə(r)/NAmE/ˈbiːvər/present simple - he / she / itbeaversBrE/ˈbiːvəz/NAmE/ˈbiːvərz/past simplebeaveredBrE/ˈbiːvəd/NAmE/ˈbiːvərd/past participlebeaveredBrE/ˈbiːvəd/NAmE/ˈbiːvərd/ -ing formbeaveringBrE/ˈbiːvərɪŋ/NAmE/ˈbiːvərɪŋ/●ˌbeaveraˈway (atsth)(informal) toworkveryhardatsth忙于(某事);勤奋工作◆He'sbeenbeaveringawayattheaccountsallmorning. 他一上午都忙于做账。