A disease of apples caused by calcium deficiency, characterized by sunken brown spots.
苦坑病（一种缺钙引起的苹果病害，使苹果产生下陷的棕色斑点）
Example sentencesExamples
A plentiful supply of calcium in soil is important to prevent bitter pit, a physiological disorder of apples.
The earlier onset of xylem dysfunction in the cultivar more susceptible to bitter pit suggests that the relative growth dynamics of the fruit may control the occurrence of calcium-related disorders.
Apples, for example, may be prone to a range of conditions that result from calcium deficiency, e.g. bitter pit.
This condition is called bitter pit, and the damage is caused by a shortage of calcium in the fruit.