dual boot

例句：

1. 1. This computer has a dual boot feature that allows you to install two operating systems on it.
   这台电脑有双启动功能，可以让你在它上面安装两个操作系统。
2. 2. The new laptop comes with a dual boot option that lets you switch between Windows and Linux without reinstalling the OS.
   这款新笔记本电脑有一个双启动选项，让你可以在不重新安装操作系统的情况下在Windows和Linux之间切换。
3. 3. Many users prefer dual booting for its flexibility and ease of use.
   许多用户喜欢双启动，因为它的灵活性和易用性。