universal boiler graphite

例句：

1. 1. The universal truth is that success requires hard work and dedication.
   普遍真理是，成功需要努力和奉献。
2. 2.The universal language of music is the ability to communicate emotions.
   音乐的普遍语言是传达情感的能力。
3. 3. The universally accepted wisdom is that education is the key to success.
   被广泛接受的智慧是，教育是成功的关键。