音标:[pə'renɪəls] ;
n. 多年生植物( perennial的复数形式 )
n. (botany) a plant lasting for three seasons or more

perennials的用法和样例:

例句

用作名词(n.)
  1. Direct domestication of wild perennials is the more straightforward approach to creating perennial crops.要创造出多年生作物,直接驯化野生的多年生植物,是较直截了当的做法。
  2. Perennials - It makes sense to eliminate perennial weeds early.By pulling those first plants, you might prevent a hostile lawn takeover.多年生植物,尽早去除很有意义,当把大量杂草去处后,就可以避免草坪被杂草统治。

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Armstrong acid
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