(botany) a plant lasting for three seasons or more
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用作名詞(n.)
Direct domestication of wild perennials is the more straightforward approach to creating perennial crops. 要?jiǎng)?chuàng)造出多年生作物，直接馴化野生的多年生植物，是較直截了當(dāng)?shù)淖龇ā?/li>
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，盡早去除很有意義，當(dāng)把大量雜草去處后，就可以避免草坪被雜草統(tǒng)治。