emulator simulator

例句：

1. 1.The computer emulator is able to simulate the operation of a computer system.
   计算机模拟器能够模拟计算机系统的运行。
2. 2. The software emulator allows us to test and debug our programs without actually running them.
   软件模拟器允许我们测试和调试我们的程序，而无需实际运行它们。
3. 3. The emulator was designed to help developers quickly test their code in a safe environment.
   该模拟器旨在帮助开发者在安全的环境中快速测试他们的代码。