释义 |
Dutch elm disease noun[ U ] uk /ˌdʌtʃ ˈelm dɪˌziːz/ us /ˌdʌtʃ ˈelm dɪˌziːz/ a disease that slowly kills elm trees荷兰榆树病 SMART Vocabulary: related words and phrases Plant pathology anthracnose antifungal apple scab ash dieback auxin canker downy mildew dry rot etiolated excrescence fungicidal fungicide leaf scorch leaf spot nodal organophosphate pesticide potato blight scald sterility |