表數量的習慣用詞：
- a of potatoes (一袋馬鈴薯)
- a of pizza (一片披薩)
- a of syrup (一茶匙糖漿)
- a of cheese (一磅奶酪)
- a of cake (一塊蛋糕)
- a of milk (一杯牛奶)
- a of tea (一杯茶)
- a of sardines (一罐沙丁魚)
- a of ketchup (一瓶番茄醬)
- a of cigarettes (一包香煙)
bag
bottle
can
cup
glass
pack
piece
pound
slice
teaspoon
