单词	theretofore
释义	theretofore /ðɛːtuːˈfɔː / adverb archaic or formal Before that time: the constraints that the courts had theretofore imposed upon themselves... When the archforger Hans van Meegeren undertook to hoodwink the experts by painting what they accepted as a theretofore unknown Vermeer, his motives were more devious than those of the ordinary counterfeiter. It was a business book from the late 1980s built around an exceptional and theretofore little-understood premise: that most people who start a business aren't entrepreneurs. Riyadh's importance was vastly enhanced in 1979, when Ayatollah Khomeini toppled the Shah of Iran, theretofore Washington's chief ally in the Persian Gulf.
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英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。