🗣️ 情景例句
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。
I guess it is.
我猜是这样。
Good morning, class! Who is on duty today?
同学们，早上好！今天谁值日？