| 单词 | 箭头状 |
| 释义 | 〔arum〕Any of several Old World plants, such as the cuckoopint, of the genusArum, having basal, arrowhead-shaped leaves. 黑海芋：任何与延龄草同种的东半球生植物黑海芋 属植物，有基生的箭头状叶 〔arrowhead〕Any of various aquatic or wetland perennial plants of the genusSagittaria, having arrowhead-shaped leaves and panicles of white, unisexual flowers. 慈菇：一种慈菇属 水生或沼泽地生长的多年生植物，有箭头状叶子和白色的雌雄异花的圆锥花序 |
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