perennial 英 [pəˈreniəl]   美 [pəˈrɛniəl]

perennial

perennial  英 [pəˈreniəl] 美 [pəˈrɛniəl]

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 

名词复数:perennials 

It lays its eggs (like the one above) only on horseshoe vetch, a European perennial. 它只在欧洲多年生植物马蹄野豌豆上产卵(如上图)。
But in general, I prefer the lazy nature of perennial plants over the back-straining events of tending a garden. 总的来说,我更喜欢多年生植物的懒惰天性,多过为了打理一个花园而搞得腰酸背疼。

  • Perennial typically describes things that are permanent, constant, or repeated. If you fight with your parents every year over whether they really must invite your annoying cousins for Thanksgiving, you could call that a perennial conflict.
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  • 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
  • 1. It lays its eggs (like the one above) only on horseshoe vetch, a European perennial.

    它只在欧洲多年生植物马蹄野豌豆上产卵(如上图)。

  • 2. But in general, I prefer the lazy nature of perennial plants over the back-straining events of tending a garden.

    总的来说,我更喜欢多年生植物的懒惰天性,多过为了打理一个花园而搞得腰酸背疼。

  • 3. However the result of strict Roman monetary discipline was a perennial shortage of capital, and a tendency not to put what there was into economically productive use.

    然而,严格的罗马货币纪律的结果是反复出现的资金短缺和一种原有的资金无法在经济上投入生产性应用中的趋势。

  • perennial (adj.) 1640s, "evergreen," formed in English from Latin perennis "lasting through the year (or years)," from per "through" (from PIE root *per- (1) "forward," hence "through") + annus "year" (see annual (adj.)). 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.
per·en·nial / pəˈreniəl ; NAmE pəˈreniəl / adjective , noun perennial perennials adjective 1 continuing for a very long time; happening again and again 长久的;持续的;反复出现的 the perennial problem of water shortage 缺水这个老问题 that perennial favourite, hamburgers 汉堡包,永远受人喜爱的食品 2 (of plants 植物 ) living for two years or more 多年生的 per·en·ni·al·ly / pəˈreniəli ; NAmE pəˈreniəli / adverb a perennially popular subject 长年的热门话题 noun any plant that lives for more than two years 多年生植物 compare annual n.  (2 ) , biennial per·en·nial / pəˈreniəl ; NAmE pəˈreniəl / per·en·ni·al·ly / pəˈreniəli ; NAmE pəˈreniəli /
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