2. There is no corresponding word for "bullet train" in foreign countries. The English written on China Railway official website is "Power car".

I. Introduction of bullet trains and high-speed trains

1, bullet train

Motor train, full name of power vehicle, has cold type and intercity type. Refers to the vehicles equipped with power devices in the rail transit system, including locomotives and power carriages. The motor car is equipped with driving wheels, and the corresponding vehicle without driving device is a trailer. If the train can run normally on the track, it must have a moving car to provide enough traction for the whole train, but it is not necessary to hang a trailer without power.

EMU is a railway vehicle equipped with wheel-driven machinery and equipment, not a EMU. Not only high-speed trains have bullet trains, but all types of vehicles, including constant-speed EMUs, ordinary-speed trains, subway trains, light rail trains, monorails and maglev trains, have bullet trains.

2. High speed rail

High-speed railway has different regulations in different countries and times. The definition of China National Railway Administration is: to build a new passenger dedicated railway designed to run EMU trains with a speed of 250km/h or more and an initial operation speed of not less than 200km/h..

Second, words and sentences

1、The Chinese high-speed rails have a quality all on its own, because it’s so massive.

The quality of high-speed rail in China is unique because of its huge scale.

2、There are more than twice as many high-speed trains in China as the rest of the world combined.

The number of high-speed trains in China is more than twice that of other countries combined.