Leona put some detergent into the dishwasher, shut the door, and pressed the switch.利昂娜在洗碗机里放了些清洁剂,关上门,然后按下开关。
The law would encourage companies to switch from coal to cleaner fuels.法律会鼓励各公司从用煤转向使用更清洁的燃料。