)tonic
激励的, 滋补的1. lime- or lemon-flavored carbonated water containing quinine
同义词：tonic water, quinine water
2. a sweet drink containing carbonated water and flavoring
同义词：pop, soda, soda pop, soda water
3. (music) the first note of a diatonic scale
同义词：keynote
4. a medicine that strengthens and invigorates
同义词：restorative
形容词tonic:
1. of or relating to or producing normal tone or tonus in muscles or tissue
2. employing variations in pitch to distinguish meanings of otherwise similar words
同义词：tonal
3. used of syllables
同义词：accented
4. relating to or being the keynote of a major or minor scale
5. imparting vitality and energy
同义词：bracing, brisk, energizing, energising, fresh, refreshing, refreshful
