complication

眼部问题可能是糖尿病的一个并发症。

Eye problems can be a ___complication of diabetes.

肺炎是重感冒后一种常见的并发症。

Pneumonia is a common ___complication following a severe case of influenza.

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.