gas

中文意思

n. the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
n. a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
v. attack with gas; subject to gas fumes

n. 气体，煤气，汽油，毒气
Don't forget to stop at the service station to fill the car with gas before our long drive.
在我们远途开车的出发前，别忘了停在加油站把车加满汽油。