zomidin

例句：

1. 1. Zinc is an essential trace element for human health.
   锌是人类健康所必需的微量元素。
2. 2. The battery contains a zinc-carbon battery, which powers the car.
   这种电池含有锌碳电池，为汽车提供动力。
3. 3.Zinc is used in the production of many alloys and coatings.
   锌用于制造许多合金和涂层。