Drive a train and recite the letters from "Aa---Oo".

开小火车的形式复习字母，扩大操练面。

youdao

Despite the Supreme Court's ruling, Klevets says she is not giving up on her dream to drive a metro train.

VOA: standard.2009.11.05

One major step forward was taken last week on a motorway outside Barcelona - the first-ever test drive of a road train among other road users.

ENGADGET: Volvo's driverless road train in Spain is public mainly on the plain (video)

The company also is developing four-wheel-drive technology that powers two wheels with an internal combustion engine and two with an electric motor, eliminating the need for a drive train that takes up floor space, Ho said.

NPR: China's Struggling Automakers Jump On SUV Boom

Hayek envisioned the city-friendly Swatchmobile to be equipped with a hybrid drive train.

FORBES: Smart Fortwo Electric Drive Is On Time