Tetracycline in their food probably explains the lowincidence of typhus among ancient Nubians.
它们的食物中含有四环素,这可能是古努比亚人斑疹伤寒发病率低的原因。
2
Authentic Italian cooking is very healthy—witness the lowincidence of heart disease in Italy.
正宗的意大利烹饪对健康非常有益,在意大利心脏病发病率低就是证据。
《牛津词典》
3
This environmental relationship is further confirmed when people migrate from an area of lowincidence to high incidence, and increase their risk of developing disease.