After an hour of lip reading, the students were asked to listen to sentences heard against a background of noise and to identify as many words as they could.

　
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  • 經(jīng)過(guò)一小時(shí)的唇讀，學(xué)生被要求聽(tīng)一些含有背景噪音的句子，并盡可能識別出他們能聽(tīng)懂的詞匯。
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