One lady brought in a biscuit on a wheelbarrow. It weighted nearly 500 pounds. A little later, a man came along with a biscuit which occupied the whole boot of his car.

　　13. One lady brought in a biscuit on a wheelbarrow.

　　一位女士用手推车运来一个饼干。

　　语言点:句子结构分析:on a wheelbarrow是介词短语，作方式状语。

　　14. It weighted nearly 500 pounds.

　　重达500磅左右。

　　语言点:句子结构分析: nearly 500 pounds表示“500磅左右”。英语中表示时间，重量等的短语可充当状语。

　　15. A little later, a man came along with a biscuit which occupied the whole boot of his car.

　　相隔不一会儿，一个男子也带来一个大饼干，那个饼干把汽车的行李箱挤得满满的。

　　语言点:句子结构分析:which引导定语从句，修饰biscuit，即“…的饼干”。