tonic
n
1 [C, U] medicine that gives strength or energy, taken after illness or when tired 補藥; 滋補品.
2 [C usu sing 通常作單數]
(fig 比喻) anything that makes people feel healthier or happier 使人感到健康或快樂的事物
Praise can be a fine tonic. 贊美的話有時真讓人感到美滋滋的.
The good news acted as a tonic on us all. 那個好消息使我們大家歡欣鼓舞.
[attrib 作定語]
the tonic effects of sea air 海上空氣的保健作用.
3 [C, U] = tonic water.
4 [C] (music 音) keynote 主音.