词汇	biconical speaker
释义	biconical speaker 双锥扬声器
随便看	universal hypertrichosis lanuginosa universal hypothesis universalia universalian Universalians universal ichthyosis universal identity universal image processing system universal image recorder universal impact testing machine universal imperative universal implication graph universal implication inference engine Universal implication model universal impulse model universal in character universal incinerator universal inclinometer universal incomplete albinism universal index center universal index centre Universal index formula universal index head universal indexing universal indexing and dividing head