twelvemonth英 [ˈtwelvmʌnθ]美 [ˈtwelvmʌnθ]n. 十二个月; 一年牛津词典noun十二个月;一年a year英英释义nouna period of time containing 365 (or 366) daysshe is 4 years oldin the year 1920Synonym:yearyr双语例句