钛

例句：

1. 1.Titanium is a rare metal that has many applications in industry and technology.
   钛是一种稀有金属，在工业和技术领域有广泛的应用。
2. 2. The titanium alloy used in the car body is strong and lightweight.
   汽车车身使用的钛合金既坚固又轻便。
3. 3.Titanium is also used in medical devices, such as orthopedic implants.
   钛也被用于医疗设备中，如骨科植入物。