length·enBrE/ˈleŋθən/NAmE/ˈleŋθən/verbpresent simple - I / you / we / theylengthenBrE/ˈleŋθən/NAmE/ˈleŋθən/present simple - he / she / itlengthensBrE/ˈleŋθənz/NAmE/ˈleŋθənz/past simplelengthenedBrE/ˈleŋθənd/NAmE/ˈleŋθənd/past participlelengthenedBrE/ˈleŋθənd/NAmE/ˈleŋθənd/ -ing formlengtheningBrE/ˈleŋθənɪŋ/NAmE/ˈleŋθənɪŋ/[I, T]tobecomelonger; tomakesthlonger(使)变长◆Theafternoonshadowslengthened. 下午影子渐渐变长了。◆~sthIneedtolengthenthisskirt. 我需要把这条裙子放长。OPPshorten