steep·enBrE/ˈstiːpən/NAmE/ˈstiːpən/verbpresent simple - I / you / we / theysteepenBrE/ˈstiːpən/NAmE/ˈstiːpən/present simple - he / she / itsteepensBrE/ˈstiːpənz/NAmE/ˈstiːpənz/past simplesteepenedBrE/ˈstiːpənd/NAmE/ˈstiːpənd/past participlesteepenedBrE/ˈstiːpənd/NAmE/ˈstiːpənd/ -ing formsteepeningBrE/ˈstiːpənɪŋ/NAmE/ˈstiːpənɪŋ/[I, T]~ (sth)tobecomeortomakesthbecomesteeper（使）变陡◆Afteramile, theslopesteepened. 过了一英里后，山坡变陡了。