Aerobic anaerobic means that aerobic oxidation and anaerobic glycolysis have different energy intensity durations (partly depending on energy reserves).
Simply put, you can understand the standard oxygen intake of aerobic exercise like this. When the glycogen blood sugar reserve is insufficient or the oxygen demand increases, the energy supply center will change from sugar to fat. Basically, you can maintain high-frequency breathing and achieve high heart rate, such as running.
The duration of anaerobic exercise is short, muscle contraction is intense, some electrolytes are consumed quickly, and the load of single action is large, so the energy supply is basically only glycogen oxygen demand stored by muscle, and the heart rate does not increase much.
In addition, it is basically impossible to distinguish whether to do aerobic or anaerobic by action alone. The main difference lies in oxygen demand. Aerobic oxidation requires oxidation conditions, so the oxygen demand of aerobic exercise is relatively high, while anaerobic energy supply can be carried out under anoxic and anaerobic conditions, so the oxygen demand of anaerobic exercise is not high.