单元 5 - 5E

A foot is the lowermost part of the human leg, specifically the extremity that comes into contact with the ground. It consists of various bones, joints, muscles, and ligaments that work together to provide support, balance, and locomotion. The foot is responsible for absorbing shock during walking and running, adapting to different surfaces, and propelling the body forward. It contains a complex arch structure that helps distribute body weight and maintain stability. The foot is a vital anatomical structure for mobility, providing a foundation for standing, walking, and engaging in various activities. Understanding the anatomy and function of the foot is crucial for overall lower limb health and biomechanics.

The horse is a large, herbivorous mammal known for its long legs, flowing mane, and powerful physique, with a history of domestication by humans for thousands of years for various purposes such as transportation, agriculture, and sports. Horses come in various breeds, sizes, and colors, and are known for their speed, strength, and endurance. They are social animals that typically live in herds and communicate through body language and vocalizations. Horses have played a significant role in human history and continue to be valued for their companionship, work, and recreational activities such as riding, racing, and showing.

A ticket is a small paper or electronic pass that allows a person to travel on a bus, train, or other forms of public transportation, or to attend an event, such as a concert or sports game. It shows that the person has paid the required amount for entry or travel. Tickets often include details like the date, time, and location, and they help organizers or transportation services keep track of who is traveling or attending. Passengers or attendees are usually required to show their ticket before entering or boarding.

A train is a type of vehicle that runs on tracks, used for transporting people or goods over long distances. It consists of a series of connected carriages or wagons, which are pulled or pushed by a locomotive, a powerful engine designed to move the train. Trains are powered by various energy sources, including electricity or diesel engines. They are an efficient way to travel, especially for long distances, and are commonly used in many countries for both local and international travel. Trains offer a smooth ride, and their fixed tracks help avoid traffic, making them a reliable form of transportation.

A bus is a large vehicle designed to carry many passengers at once, usually following a fixed route. It is commonly used for public transportation in cities and towns, helping people travel to different locations efficiently. Buses have multiple rows of seats and space for standing passengers in some cases. They can be powered by gasoline, diesel, electricity, or other energy sources. Some buses operate on schedules, stopping at designated locations, while others are used for long-distance travel or private purposes, such as school or tour buses.

A car is a type of automobile designed for personal transportation. It is powered by an engine, usually using gasoline or electricity, and typically has four wheels. Cars are commonly used for driving on roads and can carry passengers and sometimes small loads. They come in various shapes and sizes, such as sedans, hatchbacks, and SUVs, with different features like air conditioning, music systems, and safety equipment. Cars are essential for everyday travel, whether for commuting, errands, or long trips.

A van is a type of vehicle designed to carry passengers or goods. It is larger than a regular car and often has more space inside, with a boxy shape that allows for a higher roof and more room. Vans are commonly used for transporting multiple people or heavy loads, making them popular for families, work, or delivery services. They can come in various sizes, with some designed for comfort and others built for cargo. Many vans also have sliding doors for easy entry and exit in tight spaces.

A stair is a series of steps designed to connect two levels within a building, allowing individuals to move from one floor to another. Typically enclosed within the structure, stairs consist of horizontal surfaces called treads for stepping on and vertical sections known as risers that support the treads. They can vary in design, including straight, curved, or spiral configurations, depending on the layout and space available. Stairs are essential for accessibility and can be constructed from a range of materials, such as wood, metal, or concrete, providing both functionality and aesthetic appeal in the interior design of a building.