a breakdown in health的用法和样例：
- They are trying to repair a breakdown in the refrigerating system.
- prolonged and excessive intake of alcoholic drinks leading to a breakdown in health and an addiction to alcohol such that abrupt deprivation leads to severe withdrawal symptoms.
- They are trying to repair a breakdown in the refrigerate system.
- A separation in the boundary layer of fluid about a moving streamlined body, such as the wing of an airplane, causing a breakdown in the smooth flow of fluid and resulting in turbulence.