单词：porous surface tube
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auricular, adj 耳（状）的；听觉的 【例】an auricular tube [医]听诊器 【源】源自拉丁语 auricula耳 【区】particular（adj 特殊的），一起记。你们不觉得耳朵是最特殊的器官吗？ 【参】aural（adj 听觉的
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