首先你需要检查你是否在正确的文件夹中?

First of all you need to check are you in correct folder?

$...localAndroidsdk	oolsemulator -list-avds

如果是这样，它将向您显示您在 Android 工作室中拥有的模拟器列表，您在正确的轨道上启动模拟器的最后一部分

If so it will show you list of emulators that you have in your Android studio you are on right track Last part for launching an emulator

localAndroidsdk	oolsemulator -avd Nexus_5X(name of your emulator you want to open)