定义
a lemon: 柠檬
Lemons were once used by the British Royal navy to combat scurvy, as they provided a large amount of vitamin C. 柠檬曾被英国皇家海军用来防止坏血病，因为它含有大量的维生素C。
- "Horatio : I would like to discuss a beer, with lemon please."
- "Just a hot cup of lemon water, please."
- "We have a cinnamon crumble with whipped cream and a touch of lemon."
- "Trey : Hot lemon water: very good for the circulation."
- "Here's your hot lemon water, when you feel you're ready."
