training of vital essence

例句：

1. 1. The training of vital essence is crucial for the survival of the species.
   生命本质的培养对于物种的生存至关重要。
2. 2. The research on the training of vital essence has great significance in the field of medicine.
   关于生命本质培养的研究在医学领域具有重要意义。
3. 3. The training of vital essence is a long-term process that requires patience and dedication.
   生命本质的培养是一个长期的过程，需要耐心和奉献。