tonic pupil

例句：

1. 1.The tonic drink is said to help with stress.
   据说这种补品有助于缓解压力。
2. 2.She took a tonic to improve her energy levels.
   她服用了补品来提高她的精力水平。
3. 3. The tonic was effective in treating his fatigue.
   这种补品对他疲劳的症状有效。