名词
中文翻译：花萼
同义词：
['calyx', 'corolla']
例句：
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1. The flower's calyx is a delicate structure that protects the petals.
这朵花的萼片是一个精致的结构，用来保护花瓣。
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2. The plant's calyx is responsible for filtering out pollen and protecting the seeds.
植物的萼片负责过滤花粉并保护种子。
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3. The calyx of the rose is a distinctive feature that distinguishes it from other flowers.
玫瑰的萼片是其独特特征，与其他花朵区分开来。