人的生命是脆弱的,需要我们细心呵护。
Smoking is the greatest threat to human's life following by war,poverty and plague.
人的生命是脆弱的,需要我们去唤护。
smoking is the most scareful to human being's survival after war,starve and plague.
人类的生命是脆弱的 需要我们用心珍重
Smoking, following hunger and plague, has been the biggest threat to human beings in the world.