In their quest to make cars safer, lighter and more fuel efficient, car makers are using more exotic materials in the bodies of vehicles, such as high-strength steels, aluminum, steel-plastic sandwiches.是什么意思_In their quest to make cars safer, lighter and more fuel efficient, car makers are using more exotic materials in the bodies of vehicles, such as high-strength steels, aluminum, steel-plastic sandwiches.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句