教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。

The spirit of petroleum is our precious wealth, which should be passed down from generation to generation and carried forward.

心怀大志，努力工作。

Batteries are not just devices; they are enablers of a cleaner future.

心理学的方法必须像自然科学一样精确。