gas

atmosphere, air, gas

这些名词均与空气有关。
atmosphere: 指围绕星球，特别是围绕地球的空气，即大气层。也可指环境气氛。
air: 指空气，也泛指一般气体。
gas: 指气态物，尤指供燃烧取暖或照明的气体，其中一部分称作瓦斯。

名词 gas:

1. 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
   同义词：gaseous state
2. a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
3. a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
   同义词：gasoline, gasolene, petrol
4. a state of excessive gas in the alimentary canal
   同义词：flatulence, flatulency
5. a pedal that controls the throttle valve
   同义词：accelerator, accelerator pedal, gas pedal, throttle, gun
6. a fossil fuel in the gaseous state; used for cooking and heating homes
   同义词：natural gas

动词 gas:

1. attack with gas; subject to gas fumes
2. show off
   同义词：boast, tout, swash, shoot a line, brag, blow, bluster, vaunt, gasconade

1. His long speech was nothing but gas and hot air.
   他的长篇大论只是吹牛和空话。
2. He was badly gassed in the war.
   他在战争中深受毒气伤害。
3. I was given gas when they pulled my tooth out.
   给我拔牙时用了一氧化二氮。
4. Hydrogen and oxygen are gases.
   氢和氧是气体。
5. Air is a mixture of gases.
   空气是气体的混合物。

gas

n.（名词）
【复数】 gas.es 或 gas.ses

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.
气态：一种区别于固体和液体的物体状态，有相对较低的密度和粘度，相对较高的随气压和温度改变的扩展度和收缩性，易于扩散，在任何一个容器内均匀扩散
A substance in the gaseous state.
气体：处于气态的物质
A gaseous fuel, such as natural gas.
气体燃料：处于气态的燃料，如天然气
Gasoline.
汽油
The speed control of a gasoline engine:
加速器，油门：汽油马达的速度控制装置：
例句：
Step on the gas.
踩油门

A gaseous asphyxiant, irritant, or poison.
毒气：气态的使人窒息物、刺激物或毒物
A gaseous anesthetic, such as nitrous oxide.
气体麻醉剂：一种气态的麻醉剂，如二氧化氮

Flatulence.
胃肠气胀
Flatus.
窒息
Slang Idle or boastful talk.
【俚语】 空谈，瞎吹牛
Slang Someone or something exceptionally exciting or entertaining:
【俚语】 有趣的人或事：某人或某物分外地令人激动或愉悦：
例句：
The party was a gas.
晚会非常好玩

n.attributive.（定语名词）
Often used to modify another noun:
常用来修饰另一个名词：
例句：
gas tanks; gas stoves.
油箱；煤气炉

v.（动词）
gassed,gas.sing,gas.es 或 gas.ses
v.tr.（及物动词）
To treat chemically with gas.
以煤气进行化学处理
To overcome, disable, or kill with poisonous fumes.
以毒气攻击：用毒气制服，使残废或杀人
v.intr.（不及物动词）
To give off gas.
释放气体
Slang To talk excessively.
【俚语】 夸夸其谈：过多或极度地谈话

<常用词组>gas up
To supply a vehicle with gas or gasoline:
加油：给一辆车提供油：
例句：
gas up a car; gassed up before the trip.
给小汽车加油；在出发之前把油加好

来源：
Dutch [an occult physical principle supposed to be present in all bodies]
荷兰语 [一种神秘的物理原则，据估计存在于所有人体]
alteration of Greek khaos [chaos, empty space]
希腊语 khaos的变化 [纷乱，空地]
[coined by Jan Baptista van Helmont (577-'44), Flemish chemist]
[由化学家詹恩·巴普蒂斯塔·万恩赫尔蒙特所引用]