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。
We think your Chunlan brand air conditioners will be selling well at this end and we are looking forward to receiving your samples soon.
我们认为你方的春兰牌空调机在这里会很畅销,希望很快收到你们的样品。