- 释义：
- n. 话筒，麦克风
- 构词：
- micro小+phon声音+e→小声音变大声音
- 例句：
-
He gave a tap at the microphone before speaking.
他在讲话前先轻叩了一下扩音器.
换一句
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The microphone converts acoustic waves to electrical singals for transmission.
麦克风将声波转化成电信号进行传播.
换一句
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She behaved naturally before the microphone.
她在话筒前表现自然.
换一句