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n.扩音器,扬声器;喇叭;扬场器; 变形: 复数:loudspeakers 双语释义:n.(名词)[C]扩音器,扬声器,喇叭 part of a radio receiving apparatus that changes electric waves into sound-waves loud enough to be heard without ear-phones英英释义: loudspeaker[ 'laud'spi:kə ]n.electro-acoustic transducer that c