他 / 一 / 有空 / 就 / 刷 / 短视频 / 时间 / 久了 / 瘾头 / 越来越 / 大

他一有空就刷短视频，时间久了，瘾头越来越大。

He watches short videos whenever he has free time, and over time his craving has become stronger and stronger.