There is a backlog of repairs and maintenance in schools.对各学校的修缮和维护工作积压了一堆。Investment is needed to reduce the backlog of repairs.需要投资来減轻积压的维修工作.A huge backlog of work had built up.一大堆工作积压了起来....
The water frothed as it tumbled down the rocks.水冲击在岩石上溅起了泡沫.The coco - cola frothed as it was poured out.可口可乐 倒出来时泛起泡沫.Cappuccino is traditionally equal parts espresso, steamed milk and frothed milk.卡布其诺是用等量的意大利咖啡 、 热牛奶、...