音标：[gæs]
n. 气体, 汽油, 瓦斯
【化】 气体; 煤气; 瓦斯; 毒气
【医】 气体, 煤气
在线英汉词典
gas的短语、例句：
gas
n
(pl gases; US also gasses)
1 [C, U] air-like substance (ie not a solid or liquid) 气体
Hydrogen and oxygen are gases. 氢和氧都是气体.
Air is a mixture of gases. 空气是混合气体.
[attrib 作定语]
agas balloon, ie filled with gas 气球.
2 [U]
(a) inflammable gas or mixture of gases used as fuel for heating, lighting or cooking 易燃气体, 混合气体（作取暖、 照明或烹调用的燃料）
Is your central heating gas or electricity? 你们的集中供热设备是煤气的还是用电的?
Light the gas/Turn the gas on and we´ll have a cup of tea. 点上煤气, 咱们沏杯茶吧.
butane/calor/coal/natural gas 丁烷气[罐装石油气/煤气/天然气]
cook on a low/medium/high gas, ie on a gas cooker 在微火[中火/大火]上烹调（在煤气炉上）
[attrib 作定语]
a gas cooker, lighter (ie cigarette lighter), oven, ring, stove, ie using gas as fuel 煤气炉、 气体打火机、 煤气烤箱、 煤气炉环形喷火头、 煤气炉.
(b) gas (eg nitrous oxide) or mixture of gases used as an anaesthetic in surgery and dentistry 外科和牙科用作麻醉剂的气体（如一氧化二氮）或气体混合物
I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮.
Did you have gas or an injection? 你是用的麻醉气还是打的麻醉针?
(c) poisonous gas (eg mustard gas) used in warfare （战争用的）毒气（如芥子气）
[attrib 作定语]
a gas attack 毒气攻击.
3 [U] (US infml 口) = petrol.
4 [U] (fig derog 比喻, 贬) empty talk; boasting 空谈; 吹牛
His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话.
5 (idm 习语) step on the gas => step1. gas, v (-ss-)
1 [Tn] cause (sb) to breathe poisonous gas 使（某人）吸入毒气
He was badly gassed in the war. 他在战争中深受毒气伤害.
She couldn´t face the future, and gassed herself, ie killed herself with gas. 她对未来感到绝望, 用煤气自杀了.
2 [I, Ipr] ~ (about sth) (infml derog 口, 贬) talk for a long time without saying much that is useful 空谈; 瞎扯.
gas