名词
中文翻译：口哨
同义词：
['whistle', 'spiral']
例句：
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1.The scientist used a speech coil to record the sound of the bird.
科学家使用一个口哨来记录鸟的叫声。
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2.The engineer designed a spiral coil for the generator.
工程师为发电机设计了一个螺旋线圈。
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3. The musician played a speech coil as an accompaniment to their performance.
音乐家演奏了口哨作为他们表演的伴奏。