n all of the living human inhabitants of the earth
n. 人类
1. Humankind has the power to change the world for the better.
人类有能力让世界变得更好。
2. Throughout history, humankind has faced many challenges.
在历史上,人类面临过许多挑战。
3. The future of humankind depends on how we treat the planet.
人类的未来取决于我们如何对待地球。