The aluminium body is 12% lighter than if built with steel.

用铝制作比用钢制作重量要轻12%。

《牛津词典》

Do you know what is stronger than steel, lighter than a feather and as elastic as a rubber band?

你知道有什么是比钢铁还要强，比羽毛还要轻，和橡皮筋一样有有弹性吗？

youdao

Do you know what is stronger than steel, lighter than a feather and as elastic as a rubber band? '?

你知道有什么是比钢铁还要强，比羽毛还要轻，和橡皮筋一样有有弹性吗？

youdao

Pound for pound stronger than steel, lighter than cotton, thin as a human hair, flexible as silk, transparent as air, these fibers, drawn from glass, may revolutionize communications.

FORBES: The Trials Of Amory Houghton Jr.

By eliminating the bulky V6-engine option in favor of a smaller, 4-cylinder turbocharged engine, Hyundai could design the car on a smaller, lighter steel frame.

FORBES: Magazine Article

This innovation could potentially spark a number of improvements, including stronger, lighter armor for military vehicles, as well as lighter steel frames for more fuel-efficient cars.

FORBES: Entrepreneur Creates World's Lightest, Strongest Steel - In Less Than 10 Seconds