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。
It is four o'clock.In the afternoon, Mrs.Sawyer usually drinks tea in the living room.But this afternoon, she is drinking tea in the garden.
现在是4点钟,下午,索耶夫人通常是在客厅里喝茶,但今天下午,她正在花园里喝茶。