His wife was in his household used for prayer.

他的妻子在家里祈祷。

Taking too much water for household use is drying up the river.

【dry】民用水量过多使这条河日益干涸了。

One estimate says it takes the amount of power, an average US household uses in 74 days to mine a single Bitcoin.

据估计，需消耗一个普通的美国家庭74天的用电量才能挖出一个比特币。

At the moment, just one Ethereum transaction uses the same amount of electricity that the average U.S. household uses over five days.

目前，仅一笔以太坊交易使用的电量就相当于美国普通家庭五天的用电量。

The three years of research and development from Samsung led to a prototype good for household use and the development of components and modular technology with the goal of easy commercialization.

三星花了三年时间研发出的这款原型产品不仅适合家庭使用，而且组件和模块化技术也便于投入商业化生产。