1. The mountain air is tonic.
    山上的空气能使人恢复精神。

1. 补剂：可能认为药 性温和较无副作用.美国在1998年,统计共有40亿美金花费在草药的开支 1,而银 杏 ( Ginkgo biloba ) 即位居此健康食品销售的第 位 2.事实 ,我 华民族早在5000年前,在神农本草志 就有记载使用,当作滋补剂 ( tonic ) 3.

2. 滋补：ct)的人酚类精油主要具有滋补(tonic)/激励(stimulate)的作用适合处于虚脱状态(exhaustion stage)的人是一个可以在多个层面平衡(balance)的精油在情绪层面(emotion)很有效规律(regulate)排卵1/2 同属倍半萜烯类精油- 天蓝烃,

1. 奎宁水(略有苦味的无色汽水，常与杜松子酒等调配饮用)
    Tonic or tonic water is a colourless fizzy drink that has a slightly bitter flavour and is often mixed with alcoholic drinks, especially gin.

tonic

    e.g. Keeler sipped at his gin and tonic.
           基勒小口抿着他加了奎宁水的杜松子酒。
    e.g. ...low-calorie tonics.
           低热量的奎宁水

2. 补药;补剂;滋补药
    A tonic is a medicine that makes you feel stronger, healthier, and less tired.

tonic在线翻译

    e.g. Britons are spending twice as much on health tonics as they were five years ago...
           英国人如今在健康补药上花的钱是 5 年前的两倍。
    e.g. Ginseng is generally known for its tonic properties.
           人参以其滋补功效而广为人知。

3. 有兴奋(或激励)作用的事物
    A tonic is anything that makes you feel stronger, more cheerful, or more enthusiastic.

tonic

    e.g. Seeing Marcus at that moment was a great tonic...
           在那一刻见到马库斯是非常令人兴奋的事。
    e.g. His generous offer was a tremendous tonic for our morale.
           他的慷慨相助对我们的士气是种极大的激励。

4. 护肤液;护发液;生发水
    Skin tonic or hair tonic is a liquid that you put on your skin or hair in order to improve it.

5. 主音
    The tonic of a musical scale is its first note.

1. a medicine that strengthens and invigorates

    Synonym: restorative

2. (music) the first note of a diatonic scale

    Synonym: keynote

3. a sweet drink containing carbonated water and flavoring

    e.g. in New England they call sodas tonics

    Synonym: popsodasoda popsoda water

4. lime- or lemon-flavored carbonated water containing quinine

    Synonym: tonic waterquinine water

1. imparting vitality and energy

    e.g. the bracing mountain air

    Synonym: bracingbriskfreshrefreshingrefreshful

2. used of syllables

    e.g. a tonic syllables carries the main stress in a word

    Synonym: accented

3. relating to or being the keynote of a major or minor scale

    e.g. tonic harmony

4. employing variations in pitch to distinguish meanings of otherwise similar words

    e.g. Chinese is a tonal language

    Synonym: tonal

5. of or relating to or producing normal tone or tonus in muscles or tissue

    e.g. a tonic reflex
           tonic muscle contraction