ultra-light alloy

例句：

1. 1. The new carhas a ultra-light alloy body that makes it faster and more fuel efficient.
   这款新车采用了超轻合金车身，使其更快、更省油。
2. 2.The engineers designed the aircraft with ultra-light alloy materials to reduce weight without sacrificing strength.
   工程师们使用超轻合金材料设计飞机，以减轻重量而不牺牲强度。
3. 3. The manufacturer claims that their ultra-light alloy products are stronger and more durable than traditional ones.
   制造商声称他们的超轻合金产品比传统产品更强、更耐用。