1. While Stella napped, Sally would clean her home in Jackson, New Jersey, wiping down doorknobs and light switches. 史黛拉打盹的时候，莎莉会打扫她在新泽西杰克森的家，擦拭门把手和电灯开关。
2. The house has four sizes of doorknobs, customised for different size of doors. 门把手有四种不同的尺寸，适用于不同大小的门。
3. It also has a motorized arm capable of opening doorknobs and delivering food or other supplies. Quince机器人的机械手灵活到足以打开门把手，可以运送食物或其他补给品。
4. Doorknobs, bathroom faucets and toilet flush handles are key sources of germ transmission in the home. 门把手、洗手间水龙头和厕所冲水开关把手也是家中细菌传播的关键源头。
5. Visitors conclude their meetings and then wander around, testing doorknobs until finding one that leads to an exit. 来访者结束会面之后走来走去，尝试不同的门把手，直到找到通往出口的门。
