| 单词 | perennial |
| 释义 | Word Frequency perennial(pəˈrɛnɪəl) adjective 1. lasting throughout the year or through many years 2. everlasting; perpetual noun 3. a woody or herbaceous plant that can continue its growth for at least two years Compare annual (sense 3), biennial (sense 3) Derived forms perennially (perˈennially) adverb Word origin C17: from Latin perennis continual, from per through + annus year |
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