deficiency disease
noun [ C ] uk/dɪˈfɪʃ.ən.si dɪˌziːz/ us/dɪˈfɪʃ.ən.si dɪˌziːz/
营养缺乏症
a disease caused by not eating enough of particular types of food that are necessary for good health
deficiency diseases, for example scurvy 诸如坏血病之类的营养缺乏症