英语听力精选进阶版 14431

（单词翻译）

Hands-free on the road¹?

Vocabulary

manoeuvring

moving carefully and skillfully

purpose-built

designed and put together for a specific reason

input

involvement

ultimate aim

what you finally hope to achieve

steering wheel

part of the vehicle which drivers turn to change direction

pedals

parts of a vehicle which are operated with the driver's foot

pilot scheme

small-scale experiment designed to test a product before it is launched