名词
中文翻译：花萼
同义词：
['calyx', "corolla例句：1. The flower's calyx is a protective structure around the petals.（这朵花的花萼是围绕花瓣的保护结构。）"]
例句：
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1. The flower's calyx is a protective structure around the petals.
这朵花的花萼是围绕花瓣的保护结构。
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2. The calyx is where the sepals meet to form the petals.
花萼是花瓣相遇的地方，形成花瓣。
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3. The calyx is also known as the corolla in botany.
在植物学中，花萼也被称为花瓣。