| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024per•en•ni•al /pəˈrɛniəl/USA pronunciation adj. - lasting for an indefinitely long time:the perennial problems of the American economy: inflation and unemployment.
- Botany(of plants) having a life cycle of more than two years.
n. [countable] - Botanya perennial plant.
per•en•ni•al•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2024per•en•ni•al (pə ren′ē əl),USA pronunciation adj. - lasting for an indefinitely long time;
enduring:her perennial beauty. - Botany(of plants) having a life cycle lasting more than two years.
- lasting or continuing throughout the entire year, as a stream.
- perpetual;
everlasting;
continuing;
recurrent.
n. - Botanya perennial plant:Daffodils and tulips are perennials.
- something that is continuing or recurrent.
- Latin perenni(s) lasting the whole year through (per- per- + -enn-, combining form of annus year + -is adjective, adjectival suffix) + -al1
- 1635–45
- 1.See corresponding entry in Unabridged perdurable; constant, incessant, continual.
- 4.See corresponding entry in Unabridged imperishable, undying, eternal, immortal.
|