left turn ramp

例句：

1. 1. The driver had to make a left turn at the traffic light.
   司机必须在红绿灯处左转。
2. 2. The car was stuck in the left turn ramp due to heavy traffic.
   由于交通拥堵，汽车卡在了左转匝道上。
3. 3. The construction crew had to work around the left turn ramp while renovating the road.
   施工队在翻新道路时不得不绕着左转匝道工作。