reversible television channel

例句：

1. 1. The new policy is reversible, so it can be changed at any time.
   新政策是可逆的，可以随时更改。
2. 2. The machine is reversible, allowing us to reverse the process easily.
   这台机器是可逆的，让我们可以轻松地逆转过程。
3. 3. The design of the product is reversible, which makes it easy to change or update.
   产品的设计是可逆的，这使得它容易更换或更新。