这只狗的皮毛白色中带有黑斑.The dog's coat is white with black patches.这个梨子有碰伤的黑斑.The pear had bruises of dark spots.你是否有过眼前出现黑斑的现象?Do you ever see specks in front of your eyes?...
为了解芦荟黑斑病的发生规律,进一步为防治提供理论依据.In order to explain the occurrence regulation Alternaria obpyriformis T.最好在早晨浇水,这样能够避免黑斑病和霉菌.That can prevent problems called black spark spot and mildew.板栗是著名的果实,但储藏中易发生黑斑病,造成高达70%的损失.The loss...