cruise control noun
Learner's definition of CRUISE CONTROL
[noncount]
1
: a device in a vehicle that a driver turns on to make the vehicle continue at whatever speed the driver has chosen(使车辆以选定速度行驶的)定速巡航装置,恒速操纵装置
2
: a relaxed pace that does not require a lot of effort轻松的速度;不费力