the path of a planet, satellite, or subatomic particle; trajectory

to connect sections of railway track

path or route of a moving object (orbit, track); (mathematics) locus

to be derailed; to go off the rails; (of a train or tram) to leave the tracks

the right path; a normal or correct way of development or operation

the metal rails or tracks used for trains; also refers to the long steel rails used to build these tracks

to move from one railway track to another

Outside the law or social norms; especially used to describe plotting rebellion or seditious behavior

to merge several railway tracks into a single track

a transportation line with two sets of parallel tracks; double-track railway

urban rail transit system such as a metro, streetcar, or elevated railway; short for [[轻型轨道交通|輕型軌道交通|qing1 xing2 gui3 dao4 jiao1 tong1]]

to leave the rails; to jump the track

to exceed the bounds of rules, regulations, or propriety; to step out of line

A long bar of steel used to build tracks, with an I-shaped cross section; also called [[铁轨|鐵軌|tie3 gui3]]

to lay down tracks or rails for a railway

monorail; a single-track railroad for trains or other transport vehicles

a track or rail used to limit the path of a piece of equipment, such as a slideway in mechanics

To plot or conspire to do something illegal or rebellious.

To lie across railway tracks, usually to commit suicide or as a protest to block trains from passing.

(bound form) having tracks or rails; specifically used in names for vehicles like streetcars or trams

the long steel bars used for constructing a railroad or streetcar track

A type of bus powered by overhead electric cables but driven on rubber tires without the need for tracks

to have malicious intentions; to cherish evil plans in one's heart

to start moving in a normal and orderly way; to proceed smoothly or become systematic

An outer-space station or facility launched into a fixed path in space.

a horizontal structural support placed under railroad tracks to hold them in place; also known as a tie

the usual course, standard practice, or conventional rules

the distance between the inner sides of two rails on a railway or track

To hatch a sinister plot or engage in conspiratorial activities; literally to plan something that is outside the law

(literary) a single lane for carriages; unified standards for roads, symbolizing political unity and centralized rule

low Earth orbit; often abbreviated as LEO

The two-track pension system in mainland China where government employees and private sector workers were historically covered by different retirement plans.

An economic system where a commodity has both a state-fixed price and a market price

(bound form) refers to vehicles having the same axle width or railroads having the same track gauge; often refers to standardizing measurements and systems

circular orbit in the fields of astronomy and astronautics

The orbit of a satellite around the Earth; also refers to the orbit of the Earth around the Sun.

Urban public transportation system using vehicles running on tracks, including subway, light rail, and trams. Systems can be built on the surface, underground, or on elevated tracks.

an advanced recording technique where multiple individual tracks are recorded separately onto a master tape or digital workstation to be mixed later

Railway tracks with a gauge wider than the international standard of 1435 millimeters; also refers to a railway line using such tracks.

(railway) a guard rail or check rail installed parallel to the running track to prevent derailment or reduce impact on switches and frogs

to go side-by-side or travel abreast, especially of two carriages; parallel movement of vehicles

trackless; not requiring tracks or rails

streetcar; tramcar; tram

a railway with a track gauge narrower than the standard 4 feet 8.5 inches

Concentric circles on the surface of a magnetic disk where data is stored in the form of magnetized spots

a weapon that uses electromagnetic force to launch projectiles at high speeds

station for a suspended or elevated rail transit system

railway track where the distance between the rails is less than the international standard of 143.5 centimeters