Author Carl Hoffman has written extensively about some of the most technological and advanced forms of transportation on the planet.

卡尔·霍夫曼曾经在他的书中描写过世界上各种最最先进的运输工具。

youdao

Trains were fast, very luxurious, and quite convenient compared to other forms of transportation existing at the time. CET-4, 2000.1.

和当时存在的其他交通工具相比，火车又快又豪华，也很方便。

youdao

Cars, trains, ships, and other forms of transportation would use hydrogen-powered fuel cells, and aircraft would run on hydrogen fuel.

汽车、火车、轮船及其他交通工具将使用氢动力燃料电池，而飞机将采用氢燃料。

youdao

She says that raising animals for food is responsible for the release of more greenhouse gases than all forms of transportation combined.

VOA: special.2009.11.06

Carbon generation from business jets is minimal compared with other forms of transportation.

FORBES: Toll Booth In The Sky -- Who Pays?

Facilitating all forms of transportation is needed to get our economy moving.

FORBES: Jobs, Corporate Jets and Election 2012

Alternative forms of transportation weren't much better.

CNN: Northeast digs out; storms hit Upper Midwest, South