记忆方法
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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词族 · perennial
词形变化
中文词源
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。
英语词源
- 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.
权威例句
- 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。