Forests are not just carbon sinks—they are life sources.
燃气发动机是所有热机中最完美的,因为它结合了蒸汽机和内燃机的优点。
对效率的追求常常会背道而驰。不要总想着寻找可以快速完成任务的方法,而应该以找到你不想停下来的任务为目标。
The more you know yourself, the more patience you have for what you see in others.
The future of coal lies in sustainable and responsible mining practices.
We are communal histories, communal books. We are not owned or monogamous in our taste or experience.