triannual
英文词源
- triannual (adj.)
- 1630s, from tri- + annual (adj.). Related: Triannually.
推荐单词
- irrevocable
- irreversible
- irreverent
- irreverence
- irretrievable
- irresponsible
- irresponsibility
- irrespective
- irresolvable
- irresolution
- irresolute
- irresistible
- irreputable
- irrepressible
- irreproachable
- irreprehensible
- irreplaceable
- irreparably
- irreparable
- irremovable
- irremediably
- irremediable
- irreligious
- irreligion