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。
Every time he wanted to come into the garden he would bark until someone opened the gate.
每当它想到花园里来时,便汪汪叫个不停,直到有人把门打开。