It can only be extracted from the deep mountains after being struck by thousands of hammers. It regards the burning of the burning fire as a very common thing.
Not afraid of broken bones, leaving innocence in the world.
The author uses lime as a metaphor to express his determination to be loyal to the country, not afraid of sacrifice and stick to noble sentiments. The value of this poem lies in the metaphor that lime is everywhere, and reciting lime is to praise a person's open mind and lofty personality. Express yourself like lime, not afraid of difficulties, not hesitate to sacrifice, stick to innocence, be determined to hone in difficulties, stick to innocence, and prepare to contribute all your strength to society.