释义:他强调空气密度对于物质形态的决定性作用,认为物质的形态和性质都受到空气密度的影响。
The future of coal industry lies in clean and efficient utilization.
The future belongs to those who believe in the beauty of their dreams.
确保和平的最佳方式是维持主要国家之间的权力平衡。