In gardens, cankers are most prominent on apples and pear trees.
花园树木中患溃疡病最多的是苹果树和梨树。
《柯林斯英汉双解大词典》
2
Mexican types are immune to trunk cankers but the fruit is not.
墨西哥类型免疫主干溃疡病，但果实是不是。
3
In the third watch of the night he had the knowledge of the exhaustion of cankers, knowing that he had eradicated all defilements and made an end of ill.