| 单词 | abscission layer |
| 释义 | abscission layerabscission layer /æbˈsɪʒən ˌleɪɚ/ noun [countable] science, biology a layer of cells between the stem of a plant and a leaf, that can close off the flow of liquids from the plant into the leaf, allowing the leaf to fall off as part of a natural process |
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