以下为句子列表：
英文: Experimental attempts may have begun by 1709, but not until 1783 did J.-M. and J.-é. Montgolfier develop a fabric-bag balloon that would rise when filled with hot air.
中文: 1709年人类开始作实验性的尝试，但一直至1783年法国蒙戈尔费埃兄弟才发展出一种纤维织物袋气球，其在充满热空气后即可浮升。
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英文: But it was not until 1500 that a permanent nunciature, or diplomatic service, was established, in Venice.
中文: 但是直到1500年，一个永久的教皇使职，或者说是驻外部门，才在威尼斯设立。
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英文: But it was not until Monday, moments after North Korea apparently exploded a nuclear device, that China accused it of a “brazen” violation of its international commitments.
中文: 但是，直到星期一，也就是朝鲜显然爆破核装置后，中国谴责朝鲜“悍然”违反其国际承诺。
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英文: Carson went back to her government job and her sea trilogy, and not until after the third volume had been completed did she return to this earlier preoccupation.
中文: 她第三卷还没写完，就又回头来专注这件早就占据心头已久的使命。
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英文: HPV, the human papilloma virus, is a cause of genital warts and cervical cancer.Though this cancer was long recognized as a sexually transmitted disease, not until the 1990's was HPV identified as the likely culprit.
中文: 人类乳突淋瘤病毒，是引起生殖疣和子宫癌的病因，子宫癌长期被认为是性病传播所致直到在1990年时HPV病毒被确认为极有可能的元凶。
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