How much does the bed weigh? 一张床有多重？

　　Weight is the heaviness of something. 重量是指物体的轻重。

　　Everything has weight. 任何事物都有重量。

　　People measure weight with the scale. 人们用天平称重。

　　Who is the heaviest person in the world? 谁是世界上最重的人？

　　The heaviest man is a Mexican. 世界上最重的人是一个墨西哥人。

　　He is about forty, and he is 1,215 pounds, 550 kilograms. 他大概40岁，体重是1215英镑，相当于550千克。

　　And the heaviest woman is an American. 世界上最重的女人是一个美国人。

　　She is 850 pounds, 386 kilograms. 她的体重是850英镑，相当于386千克。