??? 情景例句
You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必須訓練和發展你的發音器官（聲帶、舌、口、鼻腔等）的肌肉，以便發出陌生的（另外一種語言）聲音。
How are you doing these days?
這些日子你怎么樣？
I think we can do that.
那我想沒問題。