off-ramp /ˈɑːfˌræmp/ noun plural off-ramps
plural off-ramps
Learner's definition of OFF-RAMP
[count] US
: a short road that is used to gradually slow down after leaving a highway(驶出公路后用于减速的)驶出坡道,出口匝道 — called also (British) slip road
— compare on-ramp