1 N-COUNT 斜面;斜坡;坡面 A ramp is a sloping surface between two places that are at different levels. 斜面;斜坡;坡面
SYN slope, grade, incline, gradient
2 N-COUNT (车辆进出主路时用的)匝道,坡道 An entrance ramp is a road which cars use to drive onto a major road, and an exit ramp is a road which cars use to drive off a major road. (车辆进出主路时用的)匝道,坡道 [US]
in BRIT, use 英国英语用 slip road