a hay family的意思|示意

His family had a 40-hectare farm on which they grew wheat, maize and hay and raised pigs and cattle.

他家有一个40公顷的农场，种植小麦、玉米和干草，还养猪和牛。

There does, however, appear to be a genetic component, as studies show those who suffer from hay fever, or asthma, or who have family members with allergies, are more likely to develop food allergies.

尽管如此，他们认为可能与人体基因的某些组成成分有关，因为研究表明，那些有花粉病，气喘或是家庭成员中有过敏反应的人更加有可能患食品过敏反应。