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（单词翻译）
Lesson Twenty-three
听力部分
Dictation: Please prepare your paper and pen.
We ____ when we ________________ or _______, because the _____________ in the ____ have ________. More blood _____ to the _______ of the body, where the ______________ turn____. We tend to _______________________ the ___, but blood is also sent to the ____ and ___________ of the __________. This _____________ carries body ____ to the ______. The ______ is perceived1 by the _________________ the information ___________ the receptors _______ in the ____. Because of the ____ between the _________ and the _____, we feel warmth _______ where _________________.
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