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单词 perennial
释义 pe·ren·nial
I. \pəˈrenēəl, -nyəl\ adjective
Etymology: Latin perennis perennial (from per- throughout + -ennis, from annus year) + English -al — more at per-, annual
1.
 a. obsolete : evergreen
  < where round the scene perennial laurels bloom — William Falconer >
 b. : present at all seasons of the year
  < perennial stream >
  < the perennial snow fields are of such great depth that glacial ice forms — W.W.Atwood †1949 >
2.
 a. : continuing or lasting for several years — used specifically of a plant (as delphinium) that dies back seasonally and produces new growth from a perennating part; compare annual, biennial
 b. : existing for more than one season
  < perennial insect >
  < perennial colony of bees >
3.
 a. : lasting indefinitely : impervious to change : permanent, enduring
  < the perennial, elemental processes of nature — J.L.Lowes >
  < the family and the church have proved perennial in the experience of man — Political Science Quarterly >
  < the perennial value of this comparative study — Digest of Neurology & Psychiatry >
 b. : continuing without interruption : invariably present : constant, perpetual
  < a perennial twinkle in his eye — F.W.Crofts >
  < the perennial conflict among the services over the question of defense organization — Atlantic >
  < a perennial problem of the land, erosion — Leslie Rees >
  < the perennial quest for certainty — D.A.Wells >
  : unfailingly popular
  < as perennial as Uncle Tom's CabinNew Republic >
 c. : regularly repeated : recurrent
  < has begun to locate the perennial problems of man in the ordinary affairs of the men of his own time — Vincent Buckley >
  < perennial efforts … to stipulate the requirements demanded of their discipline — R.C.Hinkle >
Synonyms: see continual
II. noun
(-s)
1. : a plant (as a tree or shrub, or an herb renewing the top growth seasonally) that lives for an indefinite number of years — compare annual, biennial
2.
 a. : a permanent fixture or continuing question
  < hardy perennial among independent producers — Budd Schulberg >
  < that vexatious perennial of Southern politics, the status of the Negro — W.G.Carleton >
 specifically : a stock item
  < a hardy perennial in the book trade — A.L.Guérard >
 b. : a recurrent topic or item
  < certain to become fiery perennials on the assembly agenda — W.R.Frye >
  < infantile paralysis, that hardy summer perennial on magazine covers — Edith M. Stern >
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更新时间:2025/1/11 23:28:44