C2 noun /ˈbʌt.ə.flaɪ piː/
Butterfly Pea
蝴蝶豆
Meaning
a blue flowering plant with butterfly-shaped flowers, used to make herbal tea
Example
Butterfly pea flowers turn tea into a beautiful blue color.
蝴蝶豆花将茶水染成美丽的蓝色。