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。
Very strange. It was my first earthquake, you see, and I didn't know what was happening.
很奇怪。那是我第一次经历地震,你瞧,我当时还不知道发生了什么事。