1. Thank you, Your Highness.
    谢殿下。

1. 高：以后学生在学习有关用字母表示的数量关系式的时候,也都饶有兴趣地找到了对应的英文单词,如:速度(velocity)用v表示,时间(time)用t表示,几何图形的高(highness)用h表示等等.

2. 高度：highly-enriched fuel || 高浓缩燃料 | highness || 高度 | highway || 信息公路

3. 高度地：highly 高度地 | highness 高度地 | highway 高速公路

1. 殿下（对除王、后以外王室成员的尊称）
    Expressions such as ''Your Highness'' or ''His Highness'' are used to address or refer to a member of the royal family other than a king or queen.

    e.g. That would be best, Your Highness...
           那样最好了，殿下。
    e.g. Her Royal Highness the Duchess of Kent opened an art exhibition recently.
           肯特公爵夫人殿下最近为一个艺术展览揭幕。

1. a high degree (of amount or force etc.)

    e.g. responsible for the highness of the rates

2. the quality of being high or lofty

    Synonym: loftiness