zetec

例句：

1. 1. This zinc alloy is used in the production of bicycle frames.
   这种锌合金用于自行车框架的生产。
2. 2. The zinc coating on the metal surface protects it from corrosion.
   金属表面的锌涂层保护它免受腐蚀。
3. 3. Zinc is a common element that can be found in many minerals and rocks.
   锌是一种常见的元素，可以在许多矿物和岩石中找到。