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单词 perennial
释义
perennial
adjective
uk
/pəˈren.i.əl/us
/pəˈren.i.əl/
lastinga verylongtime, orhappeningrepeatedlyor all thetime:
长期存在的；常年的；不断发生的；反复的
Thefilm"WhiteChristmas" is a perennialfavourite.《白色圣诞》是一部经久不衰、深受欢迎的影片。
Wefacethe perennialproblemof not having enoughmoney.我们长期面临资金不足的问题。
Synonyms
recurrent
repeated
Compare
annualadjective
biennialadjective
SMART Vocabulary: related words and phrases
Continuous & permanent
  • abiding
  • abidingly
  • ad infinitum
  • around-the-clock
  • be
  • here to stayidiom
  • immanence
  • immanent
  • imperishable
  • incessant
  • permanence
  • permanently
  • perpetuity
  • persevering
  • persistence
  • unrelievedly
  • unremitting
  • unremittingly
  • unwavering
  • wall-to-wall
See more results »

You can also find related words, phrases, and synonyms in the topics:

Lasting for a long time

Related word

perennially
perennial
noun[C]
uk
/pəˈren.i.əl/us
/pəˈren.i.əl/
aplantthatlivesfor severalyears:
多年生植物
Roses andgeraniumsare perennials,floweringyearafteryear.玫瑰和天竺葵是多年生植物，年复一年地开花。
Compare
annualnoun(PLANT)
SMART Vocabulary: related words and phrases
Types of plant
  • amaranth
  • Andromeda
  • annual
  • arborescent
  • beanstalk
  • grower
  • gymnosperm
  • hardiness
  • hardy
  • herb
  • mossy
  • mugwort
  • mustard
  • non-hardy
  • non-legume
  • succulent
  • sundew
  • tenderness
  • tomatillo
  • trailing
See more results »
(Definition ofperennialfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

perennial| American Dictionary

perennial
adjective
us
/pəˈren·i·əl/

perennialadjective(TIME)

lastingalongtime, orhappeningrepeatedlyor all thetime:
Eachyear, the nation’s marketerstrytoanswerthe perennialquestion, What doconsumersreallywant?
perennial
noun[C]
us
/pəˈren·i·əl/

perennialnoun[C](PLANT)

aplantthatlivesfor more than twoyears
(Definition ofperennialfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofperennial

perennial
The plants are tough perennials, less than a metre high.
From theCambridge English Corpus
While it may be conducive to bean growth, deep hoeing may be detrimental to bananas or other perennials associated with the trees.
From theCambridge English Corpus
Herbaceous perennials with type 1 seed banks should be reintroduced by sowing.
From theCambridge English Corpus
In other words, the pressure of disease has not led to the downfall of perennials.
From theCambridge English Corpus
If perennials can fix an adequate amount of carbon to make them viable crops, the question becomes one of harvest index rather than trade-off.
From theCambridge English Corpus
However, there is a difference in the response for annuals and perennials crops.
From theCambridge English Corpus
The project also entails helping local people near the camps to plant perennials such as coffee trees and oil palms.
From theCambridge English Corpus
In the dry season the green perennials were tested.
From theCambridge English Corpus
Over the same time period, income from perennials remained fairly constant, while income from annual crops fell.
From theCambridge English Corpus
Coffee is indicative; policy distortions have affected other perennials in similar ways.
From theCambridge English Corpus
Furthermore, in an agricultural setting, the risk of poor establishment-frequently an issue with annual crops-is avoided in the years when perennials are regrowing.
From theCambridge English Corpus
The framework also explains how high-seed-yielding herbaceous perennials could be developed through selection, despite their rarity in natural ecosystems.
From theCambridge English Corpus
Nutrient resorption from senescing leaves of perennials: are there general patterns?
From theCambridge English Corpus
The accumulation of detrimental pathogens in plant rhizospheres can affect both annuals and perennials in natural and agroecosystems.
From theCambridge English Corpus
In interpreting this result, one should keep in mind that the area for annual crops is far larger than for perennials.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/perennial##
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更新时间：2024/12/28 4:05:56