Traditionally, biologists have celebrated the trunk, branch and twig system of a tree as no accident.
以往生物学家赞美树的干枝系统非常完美。
A localized diseased or necrotic area on a plant part, especially on a trunk, branch, or twig of a woody plant, usually caused by fungi or bacteria.
植物溃疡植物一个部分，尤指一株木本植物的主干、枝干或小枝上局部的患病或坏死区域，通常由真菌或细菌造成。
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