VOA慢速英语:美国一些城市采取行动限制天然气的使用

utility – n. a company that provides electricity, water, etc.

stove –n. an appliance used for cooking food

option – n. something that can be chosen : a choice or possibility

hookup – n. an arrangement or part by which pieces of equipment can be connected

odorless -- adj. not having a particular smell

electrification – n. the act of supplying (an area, building, etc.) with electric power