tonic
- n. 补药;主调音或基音
- adj. 滋补的;声调的;使精神振作的
英英释意
- 1. lime- or lemon-flavored carbonated water containing quinine
- 2. a sweet drink containing carbonated water and flavoring;
- "in New England they call sodas tonics"
- 3. (music) the first note of a diatonic scale
- 4. a medicine that strengthens and invigorates