| 单词 | rough-bark | 
| 释义 | rough-barknoun variants  or rough-bark disease  1   : any of several virus diseases of woody plants (as cherry, apple, citrus) characterized by generalized roughening and often longitudinal splitting of the bark   2   : a disease of apples that is caused by a fungus (Phomopsis mali) and produces rough cankers on the twigs and branches   3   : a nonparasitic disease of fruit trees (as apples and pears) characterized by a general roughening of the bark and not by local cankers   | 
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