When it is hard for you to push a wheelchair off the bus, a steel plate will stretch out of the bus, so that you can push the wheelchair off.

当你推着轮椅下车有困难时，公共汽车内的钢板会延伸到车外，这样你就能推出轮椅。

youdao

When it is hard for you to push a wheelchair off the bus, a steel plate will stretch out of the bus, so that you can push the wheelchair off.

当你推着轮椅下车有困难时，公共汽车内的钢板会延伸到车外，这样你就能推出轮椅。

youdao