petiole
noun /ˈpetiəʊl/
/ˈpetiəʊl/
(biology)- the thin part at the base of a leaf that supports it and joins it to the stem of a plant
- The disease may cause small black spots on leaves, petioles and stems of new shoots.
单词 | petiole |
释义 | petiolenoun /ˈpetiəʊl/ /ˈpetiəʊl/ (biology)
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