语音讲解：
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　　Lose one’s head become excited, lose one’s normal self-control

　　变得兴奋，失去某人正常的自我控制

　　Whenever she sees a mouse or a cockroach, she loses her head and Screams out.

　　每当她看到一只老鼠或蟑螂，她总会失控而大叫出来。