例句
同义词
英语六级真题
  • At the time, coca leaf extract mixed with wine was a common tonic (滋补品), and Pemberton's sweet brew was a way to get around local laws prohibiting the sale of alcohol.
    2017年12月六级真题(第一套)阅读 Section C
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    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
  • Adjective
    1. of or relating to or producing normal tone or tonus in muscles or tissue;
    "a tonic reflex""tonic muscle contraction"
    2. employing variations in pitch to distinguish meanings of otherwise similar words;
    "Chinese is a tonal language"
    3. used of syllables;
    "a tonic syllables carries the main stress in a word"
    4. relating to or being the keynote of a major or minor scale;
    "tonic harmony"
    5. imparting vitality and energy;
    "the bracing mountain air"
行业词典
  • 医学: 紧张的;强直的;强壮剂,补药;