a drop of water 一滴水; a basin of water 一盆水; a mug of tea 一大杯茶; a stagnant pool of water 一潭死水; a barrel of beer 一桶啤酒; a bucket of milk 一桶牛奶; a glass of milk 一杯牛奶; a carton of fruit juice 一盒果汁; a jug of fruit juice 一大杯果汁
