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Cell phones belong in your pocket not glued to your ear.
手机应该放在你的包里，而不是粘在你的耳旁。
youdao
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The middle ear is a small pocket of air behind the eardrum.
中耳就是骨膜后面的一个小气袋。
youdao
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The middle ear is a small pocket of air behind the eardrum.
中耳就是骨膜后面的一个小气袋。
youdao