原文： Penny's bag.
A:Is that bag heavy,Penny?
B:Not very.
A:Here. Put it on this chair. What's in it?
B:A piece of cheese. A loaf if bread. A bar of soap. A bar of chocolate. A bottle of milk. A pound of sugar. Half a pounf of coffee. A quarter of a pound of tea.And a tin of tobacco.
A:Is that tin of tobacco for me?
B:Well,it's certainly not for me.
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单词：
cheese：乳酪。
soap：肥皂。
sugar：糖。
tobacco：烟草。
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知识：
Not very: It is not very heavy.的缩写，用于口语。
a piece of:一块，用于不可数名词。 a piece of bread.
loaf:(一条)面包。
a bar of:一块。
a pound of:一磅
a quarter of:四分之一。