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。
A tree is a symbol of hope—rooted in the present, reaching for the future.
可持续性不仅仅是一个流行词,更是我们对后代的责任。
The only limit to our realization of tomorrow is our doubts of today.
中国石化要发挥全产业链优势,为国家能源安全作出更大贡献。
Life is just a series of trying to make up your mind.
Aquaculture isn’t an alternative to wild fisheries—it’s a partner in preserving them.