| 单词 | directional microphone |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔directional〕The directional microphone trained on Foresters Cottage could pick up every word uttered inside at several hundred yards.对准福雷斯特小屋的定向扩音器在几百码远的地方也能捕捉到里面的人所说的任何一句话。柯林斯高阶 |
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