tonic

tonic
noun

a medicinal substance taken to give a feeling of vigour or well-being
补药，滋补品
■something with an invigorating effect
具恢复精力功效的东西
being needed is a tonic for someone at my age.
对于我这年纪的人来说，对别人有用是件令人振奋的事情。
short for tonic water
tonic water 的简称
(Music)the first note in a scale which, in conventional harmony, provides the keynote of a piece of music
(乐)主音

adjective

giving a feeling of vigour or well-being; invigorating
有活力的，健康的；令人振奋的
(Music)relating to or denoting the first degree of a scale
(乐)主音的
(Phonetics)denoting or relating to the syllable within a tone group that has greatest prominence, because it carries the main change of pitch
(语音)（音节）有主重音的
relating to or restoring normal tone to muscles or other organs
（与）肌肉恢复正常紧张性（有关）的；（与）器官恢复正常紧张性（有关）的
■(Physiology)relating to, denoting, or producing continuous muscular contraction
(生理)（肌肉）紧张的，强直的

派生
tonically
adverb
语源

mid 17th cent.: from French tonique, from Greek tonikos 'of or for stretching', from tonos (see tone)

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