释义 |
DEFINITIVE EXAMPLES 权威例句〔canker〕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美国传统〔leaf spot〕Any of various plant diseases resulting in well-defined necrotic areas on the leaves.叶斑病:任一种能导致在叶面上形成界限分明的坏死区域的植物病害美国传统 |