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	fountain of youth fountain pen four four-by-four four-eyed four eyes four-leaf clover four-letter word Four Modernizations, the four-one-one four-poster bed foursome foursquare four-star general four-stroke engine fourteen fourteenth Fourteenth Amendment, the fourth fourth dimension fourth estate Fourth of July four-wheel drive four-wheeler four-wheeling

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