He demonstrated how the new device works.
他演示了新裝置是如何工作的`。
They demonstrated the new invention to us.
他們向我們演示了他們的新發明。
The following code example demonstrates the use of this member.
下面的代碼示例演示此成員的用法。
The third code example demonstrates how to use the custom control.
第三個代碼示例演示如何使用自定義控件。
Features can be demonstrated and will help sell the product.
可以演示功能,并且將有助于銷售產品。