8.【军】(toxic substance)毒气
9.(talk)空谈；闲聊；吹牛
Well, gee, sister, we’re just having a gas.哟, 大姐, 我们只是闲聊罢了。
10.(person or thing)令人愉快的人；令人高兴的事；成功的人；成功的事
11.to step on the gas<美,非正式>(accelerate)踩(汽车)油门；加快；加速
As he spoke, he stepped on the gas and the car hurtled along at a high speed.他边说边踩油门, 汽车飞驰而去。
(hurry)匆匆忙忙；仓促；赶时间
The company is also stepping on the gas to hit the target of $100 million sales by next year.这家公司也在为明年达到一亿美元销售额的目标而加油往前赶。