Extension: It is a polyphonic word with four tones (middle) and two tones (chong). Example of sentence making: 1. If the crops are not harvested, they must be sown every year. No one can do anything to ensure the harvest through drought and flood, or they can return to their old jobs and concentrate on their studies. What they sing with a song is that the sound of the waves remains unchanged.
It can be said that a well-conceived article is half the battle. However, many students don't pay attention to this key step, so they want to start over in the middle of writing, or they have nothing to say because there are not enough words.
3. The final result of repeating the same mistakes is bring disgrace to oneself, and what is saved cannot go back to the original.