sounder

柯林斯词典

sounder /ˈsaʊndə/

• 1. N an electromagnetic device formerly used in telegraphy to convert electric signals sent over wires into audible sounds (曾用在电信技术中的)音响器; 以转化电信号并把它送进导线变为听得见的声音




sounder /ˈsaʊndə/

• N

• 1. N a person or device that measures the depth of water, etc 测量水深的人; 测量水深的仪器

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