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。
Recognizing who the customer was, the manager was most apologetic and reprimanded the assistant severely.
经理认出了这位顾客,表示了深深的歉意,还严厉地训斥了店员。