单元 5 - 5D

A baseball cap is a type of hat with a soft, rounded top and a stiff, flat or curved brim at the front. It is typically made of cotton, polyester, or other lightweight materials and is commonly worn to protect the eyes from the sun. The cap is often associated with sports, especially baseball, but is also a popular casual accessory for everyday wear. It usually has an adjustable strap at the back to fit different head sizes and may feature logos, team names, or other designs on the front.

A hood is a type of head covering that extends to cover the neck, head, and sometimes the face. Hoods can be found in a variety of clothing items, such as jackets, sweatshirts, and robes. They are often designed to provide warmth and protection from the elements, but can also be used for fashion purposes. Some hoods may feature drawstrings or other mechanisms to adjust the fit, and some may be detachable or foldable. Hoods can also be designed with additional features such as lining, fur, or ear flaps to further enhance their functionality.

a rollerblade, also known as an inline skate, is a type of roller skate that features a line of wheels in a single row along the bottom of the boot. They were first developed in the 1980s and have since become a popular recreational and fitness activity. Rollerblades typically have a hard boot for ankle support and a brake at the back of one of the skates for stopping. They are designed to provide a smooth, fast ride and can be used for various activities, including street skating, park skating, and aggressive inline skating. Rollerblading is a low-impact form of exercise that can help to improve balance, coordination, and cardiovascular fitness.