a group of people, services, objects, etc. categorized based on shared qualities or attributes
类
a ategory of seating or accommodations in transportation, typically offering a standard level of comfort and service
二等舱
a category of seating or accommodations in transportation, usually offering basic service and often the most economical option
三等舱
a type of luxurious railway carriage, often with bunks and a high-quality service
普尔曼车厢
a narrow bed, often stacked in tiers, used in ships, trains, or other confined spaces
双层床
a carrier designed to hold on top of a car or luggage above the seats of a train
行李架
a train carriage designed for passengers to enjoy scenic views during their journey
观察车
a passenger car on a train that provides amenities such as a lounge, bar, or dining area
俱乐部车
a carriage on a train where passengers can purchase and consume food and beverages
自助餐车
a type of railcar designed with two levels of seating, typically used in commuter and regional train services
双层车厢