the police officers are backed up by teams of people on the weeke_英语解答

the police officers are backed up by teams of people on the weekend
back up 是支持的意思啊

人气：134 ℃　时间：2020-06-12 06:48:17

解答

是支持的意思
周末,成队的(表示很多)人们支持警官们.