twenty-first
ordinal number
uk/ˌtwen.tiˈfɜːst/us/ˌtwen.t̬iˈfɝːst/21st written as a word:
第21,第二十一the twenty-firstcentury二十一世纪
Numbers: ordinal
- billionth
- eighteenth
- eighth
- eleventh
- fiftieth
- fortieth
- fourth
- millionth
- nano-
- quinti
- seventh
- sixteenth
- sixth
- tertius
- thirteenth
- thirtieth
- thousandth
- trillionth
- twelfth
- umpteenth
twenty-first
noun[C]
UKuk/ˌtwen.tiˈfɜːst/us/ˌtwen.t̬iˈfɝːst/(alsotwenty-first birthday)thedayon which apersonreachestheageof 21 and istraditionallysaid, inWesternsocieties, tobecomeanadult:
21岁生日(西方的成人年龄)It's Jamie's twenty-first nextFriday.下周五是杰米的21岁生日。
Herdadgave her acarfor her twenty-first.她21岁生日时她父亲送了一辆车给她。
Describing age & birthdays
- age
- age group
- age limit
- aged
- babyboomer
- gone
- junior
- knock
- millennial
- nonagenarian
- octogenarian
- old
- ripe
- senior
- sixties
- something
- spring chicken
- take years offsomeoneidiom
- teens
- this side ofsomethingidiom