基本解释叶柄同根派生 Petioles相关词英汉例句Branchlets, petioles and pedicels without hairs.小枝,叶柄和花梗没有头发。Bases of petioles and bracts greatly dilated, connate.叶柄基部和苞片非常膨大,合生。Petioles更多例句