perceiving what a person is saying by observing the movements of the lips
动词 lip-read:
interpret by lipreading; of deaf people
双语例句
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. 经过一小时的唇读，学生被要求听一些含有背景噪音的句子，并尽可能识别出他们能听懂的词汇。
