The koel, a tropical cuckoo that lurks in thick cover, has a rising bisyllabic wolf-whistle.
噪鹃是热带的一种布谷鸟，它潜伏在灌木丛中，发出有节奏的似狼叫声。
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In this paper a novel approach is presented for the recognition of Mandarin bisyllabic words, which is based on the essential role the suprasegmentals play in speech perception.