There was a noticeable chill in the air. 空气中明显带着一股寒意。

There has been a noticeable improvement in her health. 她的健康状况有了显著的改善。

The child’ s behavioural problems have become more noticeable. 这孩子行为上的问题已经变得愈发明显。

The classroom was noticeably quieter than usual. 教室里明显比平时安静。