- make or become longer；make (a vowel or syllable) long.
verb: lengthen, 3rd person present: lengthens, gerund or present participle: lengthening, past tense: lengthened, past participle: lengthened
- 1. make or become longer the mascara will lengthen your lashes in the spring when the days are lengthening 同義詞 反義詞
- ▪ make (a vowel or syllable) long.
- make or become longer: in the spring when the days are lengthening she lengthened her stride to catch up
Oxford American Dictionary