1.用容器来表示
a bag of rice 一袋大米 a bottle of wine 一瓶酒
a bowl of rice 一碗米饭 a box of ink 一盒墨水
a can/tin of meat 一听肉罐头 a cup of coffee 一杯咖啡
a handful of soil 一把泥土 a pot of water 一壶水
2.用计量单位来表示
a bar/cake of soap 一块肥皂 a beam of light 一道光
a loaf of bread 一块面包 a ray of hope 一线希望
a set of furniture 一套家具 a sheet of paper 一张纸
a slice of cake 一片面包 an item of news 一条新闻
an article of/a piece of furniture 一件家具
an article of/a piece of luggage 一件行李