Dogs are friendly and smart.

狗很友好，也很聪明。

Dogs have natural senses.

狗有天生的感觉。

Dogs' senses help them smell, see, and hear things.

狗的感觉帮助它们闻，看，和听。

Dogs are good at doing many things that help people.

狗擅长做许多事情来帮助别人。

Dogs can learn to do special types of work.

狗狗能学会做特殊类型的工作。

Some people can't hear.

有些人听不见。

A dog can listen for sounds.

狗可以帮助听见声音。

Some people can't see.

有些人看不见。

A dog helps them walk safely.

狗可以帮助他们安全地行走。

Some people can't move.

有些人不能动。

A dog can get things for them.

狗可以帮助他们拿东西。

Some people feel sad.

有些人感到难过。

A dog can make them smile.

狗可以让他们开心起来。

A dog can bring home sheep that get lost.

狗可以引领着迷路的羊回家。

A dog can help a hunter find wild birds.

狗可以帮助猎人找到野生鸟类。

A dog can chase geese away from airports.

狗可以驱赶机场的鹅。

A dog can smell insects that harm buildings.

狗可以闻见危害建筑物的虫子。

A dog can help the police solve a crime.

狗可以帮助警察破案。

A dog can help find out how a fire started.

狗可以帮助找到火灾发生的原因。

A dog can sniff to find out where drugs are hidden.

狗可以嗅出被隐藏起来的毒品。

A dog can jump in the water to help a swimmer.

狗可以跳入水中帮助溺水的人。

A dog can search for people who are lost or hurt.

狗可以搜寻到那些迷路或者受伤的人。

Dogs can learn many jobs that help people.

狗可以学习很多种工作来帮助人。

A dog's best work is to be a friend!

狗最好的工作就是成为了人类的朋友!