Upon their arrival, the doctor said he had invented a new machine that would transfer a portion of the mother's Labour pain to the father.
他们抵达后，医生说他发明了一种机器，能够把母亲分娩的痛苦的一部分转移到父亲。
Upon their arrival, the doctor said he had invented a new machine that would transfer a portion of the mother's Labour pain to the father. He asked if they were willing to try it out.
医生说他们新发明了一种机器，能够把母亲生产过程中的一部分疼痛转给父亲，问他们是否愿意尝试。
He invented a new type of machine to help deaf people hear the sound.
他发明了一种新型机器来帮助耳聋者听见声音。
He invented a new type of machine to help deaf people hear the sound.
他发明了一种新型机器来帮助耳聋者听见声音。
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