名词
中文翻译：多年生植物
同义词：
['evergreen', 'perennial plant']
例句：
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1.The perennial flowers bloom throughout the year.
这些多年生花卉全年开花。
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2. Many trees are perennial and can survive for many years.
许多树木是多年生的，可以存活多年。
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3. Perennial herbs are used in traditional medicine to treat various ailments.
多年生草药在传统医学中用于治疗各种疾病。