第11单元

An athlete is a person who participates in physical sports or activities that require strength, skill, and endurance. Athletes train and compete in various sports, such as running, swimming, soccer, or gymnastics, to improve their abilities and achieve success. Being an athlete involves regular practice, physical conditioning, and dedication to performance, often with the goal of excelling in competitions or tournaments. Athletes can compete at different levels, from local events to professional and international competitions.

A guitar is a stringed musical instrument with a flat, hollow body and a long neck. It typically has six strings, although variations with more or fewer strings exist. The strings are played by strumming or plucking with the fingers or a pick, and the pitch is altered by pressing the strings against the frets on the neck. Guitars come in various types, including acoustic, electric, and bass, each with its own unique sound and use in different musical genres. The guitar is widely used in many styles of music, from classical to rock and pop, due to its versatility and expressive range.

A violin is a small stringed instrument with a hollow wooden body, a neck, and four strings. It is played with a bow that is drawn across the strings to produce sound. The violin is known for its bright, expressive tone and is used in a wide range of music genres, from classical to folk and contemporary styles. It is tuned in perfect fifths and is often used for playing melodies, solos, and intricate musical passages. The violin's versatility and wide range of dynamics make it a central instrument in both orchestras and solo performances.

A smartphone is a portable electronic device that combines the features of a cell phone with advanced computing capabilities. It allows users to make calls, send messages, browse the Internet, use apps, take photos and videos, and access various digital services. Smartphones typically include touchscreens, cameras, GPS, and wireless connectivity options like Wi-Fi and Bluetooth. They are powered by operating systems that support a wide range of applications, making them versatile tools for communication, entertainment, and productivity.

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 button is a small, often round or square-shaped, fastener used to secure two pieces of fabric together. It typically has a flat or slightly convex surface, with a small hole in the center that a thread can be passed through to attach it to the garment. Buttons are commonly made of materials such as plastic, metal, or natural materials like wood or shell, and can have a wide range of decorative designs or be plain and functional. They can be found on a variety of clothing items, from shirts and jackets to pants and skirts, and can be used for practical purposes or as a decorative element.