Leonardo: A kind of millet. Young plants are edible. In ancient times, poor people often ate them in fields, roadsides, wasteland and houses.
Shuo Wen Jie Zi explains the cloud: full of Chinese liquid. From the sound.
Lai said that Penglai, Penglai Pavilion and Penglai Mountain are all beautiful.
The meaning of this name can be interpreted as: "Flying boat? Penglai ".