1·The simplest version, which it hopes to sell for less than $15, is designed to allow children to do their homework in the evenings without a candle or smoky kerosene lamp.
飞利浦希望能够以15美元的单价出售最简单的照明装置——使用这种装置，孩子们晚上学习的时候就不用点蜡烛或者烟雾缭绕的煤油灯了。
2·The bubbling muck had immense value - but it had to wait for the demands of the kerosene lamp and the internal combustion engine.
这个泡泡肥料有了很大的用途—不过它得等待人们对煤油灯和内燃机的需求。
3·She puffed out the kerosene lamp.
她吹灭了煤油灯。
4·TASK: Light the kerosene lamp.
任务：点燃煤油灯。