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单词	stethoscope
释义	stethoscopestethoscope /ˈstɛθəˌskoʊp/ noun [countable] Etymology ETYMOLOGYstethoscope Origin: 1800-1900 French stéthoscope, from Greek stethos chest + French -scope an instrument used by doctors to listen to someone’s heart or breathing
随便看	rectal rectangle rectangular rectifiable rectification rectify rectilinear rectitude recto rector rectory rectum recumbent recuperate recuperation recuperative recur recurrence recurrent recurrently recursive formula recursive rule recusal recuse recyclable

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