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(of vehicles or buildings) equipped with a cooling system that dries the air
有空调的
no longer used, supported, etc. by the general public, typically belonging to an earlier period in history
a company or business that provides air transportation services for people and goods
航空公司
an activity or program that takes place outside of regular school or work hours, often involving clubs, sports teams, or volunteer organizations
课外活动
a job that does not provide one with the chance to advance to a better position or job
没有晋升机会的工作
designed to make a task or activity require less physical or mental effort, often by using technology or automation
省力
something that we wear to cover and protect our feet, generally made of strong materials like leather or plastic
鞋
referring to products, actions, or practices that are designed to cause minimal harm to the environment
环保的
a cleaning substance that is designed to remove dirt, stains, and other impurities from surfaces or fabrics
洗涤剂
a story told through a series of moving pictures with sound, usually watched via television or in a cinema
电影
referring to something that is original and pioneering in its field, often setting a new standard for others to follow
开创性的
a careful and systematic study of a subject to discover new facts or information about it
研究
describing a sound that is very high in frequency or tone, often producing a sharp or piercing quality
高音调（声音）
