(US 美 ramp) noun [C] a road that leads onto or off a motorway （连接高速公路的）岔道
slip-onˈslip-on
adj (used about a shoe) that you can slide your feet into without having to tie laces ﹙鞋子﹚无须系带的: slip-on shoes 无带便鞋 ➔ˈslip-onnoun [C]: a pair of slip-ons 一双无带便鞋