VOA慢速英语:美国司法部对谷歌提起反垄断诉讼

gatekeeper –n. a person or company that controls access to something

default –n.(computer) a setting that a computer operates in if a user does not choose a different setting

preinstalled –adj.(computer) a program that comes with a computer or device from the manufacturer and does not have to be added by the user

alternatives –n.(pl.) additional choices that can be made instead of something else

distribute –n.(computer) the process of providing software to the user