单词	unobtainium
释义	unobtainium /ˌənəbˈtānēəm / (also unobtanium) noun informal A highly desirable material that is hypothetical, scientifically impossible, extremely rare, costly, or fictional, or has some of these properties in combination: what type of cabling are we talking about, steel, composite, unobtainium?... Indeed, the claims made for this technology sometimes make it sound like the legendary aerospace material ‘unobtainium.’ Veteran space industry analyst John Pike, director of GlobalSecurity.org, likes to joke that the required substance should be dubbed ‘unobtainium.’ But the Japanese 8mm Nambu cartridge might as well have been made of unobtainium.
随便看	syndicalism syndicalist syndicate syndication syndiotactic syndiploidy syndrome syndrome X syndromic syne synecdoche synecdochic synecdochical synecdochically synecdochism synechia synechism synechist synecological synecologically synecologist synecology synectic synectical synectics

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