Autocopulation
[动]自体交配
🗣️ 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。
How was your flight? Was it comfortable?
你坐的班机怎么样？还舒服吗？
You are a walking dictionary.
你是活字典。