"Product introduction" in Engpsh can be expressed as "product overview" or "product presentation".

The term "product introduction" comes from the business and marketing field, where it is common to introduce new products to customers or potential buyers. It involves giving a brief overview of the product's features, benefits, and other relevant information to help people understand what it is and why they might want to purchase it.

Here are a few Engpsh examples with Chinese translations:

Example 1: "Welcome to our product introduction for the new smartphone model."
翻译：欢迎参加我们关于新智能手机模型的产品介绍。

Example 2: "During this product overview, we will be showcasing the features and benefits of our latest laptop."
翻译：在此产品介绍中，我们将展示我们最新笔记本电脑的特点和优势。

Example 3: "This product presentation will give you a comprehensive understanding of our new fitness tracker."
翻译：这次产品介绍将为您全面了解我们的新健身追踪器。