Epitorma
上内唇根
🗣️ 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。
He doesn't like the idea of going to bed early.
他不喜欢早睡觉。
Don't thank goodness. Thank Li Lei.
不要谢天谢地，要谢李磊。