You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必须训练和发展你的发音器官(声带、舌、口、鼻腔等)的肌肉,以便发出陌生的(另外一种语言)声音。
When he was alone, he telephoned the hospital exchange and asked for Doctor Millington.
当房里只剩他一个人时,他挂通了医院的交换台,要求与米灵顿医生讲话。