Airplanes are the fastest way to travel a long distance.飞机是长途旅行最快的方式。
Airplanes travel is one of the safest ways to travel.飞机旅行是最安全的旅行方式之一。
This is a truck, or lorry.这是一辆卡车。
Trucks carry and deliver many of the things we buy and use each day.卡车运送我们每天购买和使用的许多东西。
Buses are a good way to travel in a city.公共汽车是在城市里旅行的好方法。
A bus can carry many passengers and is less expensive than a taxi.公共汽车可以载很多乘客，而且比出租车便宜。
Buses can carry more passengers than a taxi or truck.公共汽车比出租车或卡车载客更多。
Ships transport freight, such as oil or automobiles, across the oceans.轮船运输货物，如石油或汽车，跨越海洋。
Some ships carry passengers on ocean cruises.有些船只在海上巡航时载客。
Ambulances carry sick or injured people to a hospital.救护车把生病或受伤的人送往医院。
If someone is in an accident, call for an ambulance.如果有人发生意外，叫救护车。
