cankers是什么意思？

cankers

• n. （植物的）溃疡( canker的名词复数 )，（动物）耳溃疡，腐败的影响，腐蚀因素；

例句

• In gardens, cankers are most prominent on apples and pear trees. 花园里,苹果树和梨树患枯枝病最明显。

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  祸患;恶痈
  A canker is something evil that spreads and affects things or people.
  例句
  ...the canker of jealousy. 嫉妒作祟
• N-VAR
  (灌木、树木的)溃疡病；枯枝病
  Canker is a disease which affects the wood of shrubs and trees, making the outer layer come away to expose the inside of the stem.
  例句
  In gardens, cankers are most prominent on apples and pear trees. 花园里,苹果树和梨树患枯枝病最明显。