名词
中文翻译：叶柄
同义词：
['leaf petiole', 'leaf axis']
例句：
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1.The stem of the plant is made up of several petioles.
植物的茎由几片叶柄组成。
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2.The leaf petiole is thin and flexible.
叶柄细而柔韧。
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3. The petiole is where the veins of the leaf connect to the stem.
叶柄是叶片的脉与茎连接的地方。