眼部问题可能是糖尿病的一个并发症。

Eye problems can be a ___complication of diabetes.

忽视营养专家的建议可能威胁寿命，特别是由于心血管并发症。

Disregarding recommendations from nutrition experts can threaten longevity, namely due to cardio-vascular ___complications.

肺炎是接受大手术患者恢复期常见的并发症。

Pneumonia is a frequent ___complication in patients recovering from major surgery.