a drop of water 一滴水
a flood of moonlight 一片月光
a wisp of smoke 一缕烟
a pane of glass 一块玻璃
a layer of rock 一层岩石
a cloud of smoke 一团烟雾 
a beam of light 一束光线
a blade of grass 一片草叶
a block of wood 一块木头
a cube of sugar 一块方糖

a roll of newspaper 一卷报纸
a cone of icecream 一个蛋卷冰淇淋
a bar of chocolate 一块巧克力
a stack of hay 一堆乾草
a loaf of bread 一个面包
a grain of rice 一粒米
a cake of soap 一块肥皂
a dash of salt 一撮盐
a coil of wire 一卷电线
a ball of wool 一个毛线球
a glimmer of hope 一线希望
a burst of laughter 一阵笑声
a gust of wind 一股风
a web of railroad 铁路网
a train of thoughts 一连串的想法
a nice cup of tea 一杯好茶
a thin coat of ice 一层薄冰
a stagnant pool of water 一潭死水
a beautiful stretch of field 一片美丽的原野
a pair of glasses 一副眼镜

a pair of scissors 一把剪刀
a pair of spectacles 一副眼镜
a pair of trousers 一条裤子
a pair of pant 一条裤子
a pair of pliers 一把剪钳
a piece of paper 一张纸
a piece of information 一条消息
an article of clothes 一件衣物
a cup of water 一杯水
a packet of cigarettes 一盒香烟

a basket of vegetables 一篮子蔬菜
an army of elephants 一群大象
a pack / throng of wolves 一群狼
a batch of dogs 一群狗
a brood of chicks 一群小鸡
a hive of bees 一群蜜蜂
a host of monkeys 一群猴子
a school of fish 一群鱼
a swarm of locusts 一群蝗虫
a team / field of horses一群马
a gang of elks 一群驼鹿