Wheel is a Chinese character that means "wheel" in this context, mostly referring to a wheel, but sometimes also to other instruments that have an axis and are capable of rotating. The meaning of wheel has many different interpretations in different occasions, for example, in road traffic, the wheel is a basic part of the vehicle, connecting the vehicle and the road surface, to ensure that the vehicle running; in the metallurgical industry, steelmaking uses rollers, through the wheel's power to process steel into the required shape. In short, the wheel as an object in the development of human history plays a vital role.

In addition to the traditional industrial field, the wheel is also widely used in modern culture and entertainment, such as roller skating, tires and so on. Roller skating, as a sport, has penetrated into people's lives, with shaping effect, exercise cardiorespiratory function, promote blood circulation and other benefits, is more and more people's initiative and acceptance. The importance of tires is also self-evident, it is an important part of the car, bicycle and other means of transport on a continuous drive, the quality of tires directly affect people's travel safety.

As a plant or animal, lúncài is one of the most common dishes in Zhejiang, Fujian and Guangdong provinces. Wheel菜 is more refreshing in flavor and is regarded as a good summer dish to beat the summer heat. Unlike other traditional vegetables, the shape of the wheel looks like a small wheel. At this point, although the word "wheel" is pronounced the same way, it is a different semantic and cultural expression.