hearing-aid
hearing-aid怎么读，什么意思。助听器...
【计】 助听器
在线英汉词典
hearing-aid的短语、例句：
hearing-aid n small device that amplifies sound and helps a deaf person to hear 助听器
have/wear a hearing-aid 有[戴]助听器.
在线英汉词典
hearing-aid的短语、例句：
hearing-aid n small device that amplifies sound and helps a deaf person to hear 助听器
have/wear a hearing-aid 有[戴]助听器.
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