titanium aluminum alloy

例句：

1. 1. The new car has a titanium-aluminum alloybody that is both lightweight and strong.
   这款新车有一个钛铝合金的车身，既轻便又坚固。
2. 2. Titanium-aluminum alloy is often usedin the production of aircraft engines because ofits high strength and low density.
   由于其高强度和低密度，钛铝合金常用于飞机发动机的生产。
3. 3. Inaddition to being lightweight,titanium-aluminum alloy also has excellentcorrosion resistance, making it anideal material for marine applications.
   除了重量轻外，钛铝合金还具有良好的耐腐蚀性，使其成为海洋应用的理想材料。