To interpret ( utterances ) by lip reading.

唇读通过观察口形来理解 ( 话 )

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Open mouth - shaped float resists water attack.

敞口形的浮子抗水击.

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Pay attention to the shape of your mouth and lips and the position of tongue.

注意你的唇形,口形以及舌头的位置.

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Substitute 0 classe knifestraight edge by 1 classe edge , can't satisfy demand for its precision.

用1级刀口形直尺代替0级来使用达不到其精度要求.

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