chronic

/ˈkrɑnɪk/

being long-lasting and recurrent or characterized by long suffering

中文释义：慢性的；长期的；惯常的

Chronic stress can lead to serious health problems over time.

长期压力会逐渐导致严重的健康问题。

The patient has been suffering from chronic back pain for years.

这位患者多年来一直遭受慢性背痛的折磨。