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ear trumpet ˈɪətrʌmpɪt 短语¹⁴⁴⁹⁷²⁺² 基本英英近义反义Thesaurus例句 n.号角状助听器
Noun: a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person近义词 hearing aid助听器 as in.hearing aid 同义词 electronic hearing aid,hard-of-hearing aid,listening device,transistor hearing aid,vacuum-tube hearing aid hearing aidnoun mechanical listening device electronic hearing aid,hard-of-hearing aid,listening device,transistor hearing aid,vacuum-tube hearing aid But Beethoven did not start using an ear trumpet until1814. 但贝多芬直到1814年才开始带助听器。 www.shm.com.cn |