perennial

英 [pəˈren.i.əl]      美 [pəˈren.i.əl]
  • adj. 多年生的;常年的;四季不断的;常在的;反复的
  • n. 多年生植物
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将“perennial”拆分为“per”和“ennial”,其中“per”意味着“每次”,“ennial”听起来像“每年”。想象这个词语描述的是一种植物,每年都持续生长,就像“每年都有”一样,因此可以记住它表示“长年生的、一年一度的”。

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perennial 多年的,长久的

per-,整个的,-enn,年,词源同annual.原义为终年的,终年不凋的,后引申词义多年的,长久的。

perennial (adj.)
1640s, "evergreen," formed in English from Latin perennis "lasting through the year (or years)," from per- "through" (see per) + annus "year" (see annual). Botanical sense of "Remaining alive through a number of years" is attested from 1670s; figurative meaning of "enduring, permanent" is from 1750. Related: Perennially. For vowel change, see biennial. The noun meaning "a perennial plant" is from 1763.
1. A perennial is a plant that lives indefinitely.
多年生植物是指能存活很多年的植物。
2. the perennial problem of water shortage
缺水这个老问题
3. I wonder at her perennial youthfulness.
我对她青春常驻感到惊讶.
4. There's a perennial shortage of teachers with science qualifications.
有理科教学资格的老师一直都很短缺。
5. The novel's central theme is the perennial conflict between men and women.
小说的主题是男人和女人之间永无休止的冲突。