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Title: The ____ is the external portion of the ear that catches sound waves. (Fill in the blank) Post by: 張鈺禾 on Feb 1, 2018 The ____ is the external portion of the ear that catches sound waves.
Fill in the blank(s) with correct word Title: The ____ is the external portion of the ear that catches sound waves. (Fill in the blank) Post by: kallierf on Feb 1, 2018 Content hidden
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