词汇	Middle-aged person
释义	Middle-aged person 中年人
随便看	classify-aging classify algorithm classify among classify and clustering classify and code classify and identification classify and identify classify and study classify as classify books by classify by subject classify coding classify documents classify effect classify evaluation classify gold among classify information classifying classifying adjective classifying adjectives classifying alarm classifying and cataloging service classifying and cataloguing management classifying and cataloguing personnel classifying and cataloguing work