cleaning例句
Nina and Mary were in the kitchen,
cleaning up after dinner.
吃过晚饭，尼娜和玛丽在厨房里收拾。
The twins endorsed a line of household
cleaning products.
那对双胞胎为一系列家用清洁产品做广告。
When Barclays Bank contracted out its
cleaning, the new company was cheaper.
当巴克莱银行外包其结算业务后，新公司的价格更为便宜。