单词	Klein bottle
释义	Klein bottle noun ˈklīn-  : a one-sided surface that is formed by passing the narrow end of a tapered tube through the side of the tube and flaring this end out to join the other end Word History Etymology Felix Klein †1925 German mathematician First Known Use 1941, in the meaning defined above
随便看	English walnut English wheat English white English yew englished Englisher englisher englishes englishest englishing Englishism englishisms Englishite englishize Englishly Englishman Englishman's knot englishmen englishness englishnesses englishries Englishry Englishwoman englishwomen englobed

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