“柠檬水”用英语怎么说？

她尝尝柠檬水, 然后又往里加了点糖.She tasted her lemonade, then added more sugar.她料想他会要一杯苏格兰威士忌，所以当他请她调一杯马提尼酒加柠檬水时，她有点不知所措。She expected him to ask for a scotch and was rather nonplussed when he asked her to mix him a martini and lemonad...