Everyone is entitled to the presumption of innocence until they are proved to be guilty.
在被证明有罪以前，每一个人都应被假定无辜。
《牛津高阶英汉双解词典》
No such pristine particles from distant stars have ever been collected before.
以前还从未收集到来自遥远恒星的如此古老颗粒.
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It could proc useful for identifying previously unknown illnesses or biological weapons.
在对以前的不明疾病或者生物武器的确定中,这种方法也是十分有效的.
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Some say it was designed as a promenade but its two sides have developed quite separately.
有人说它以前是作为步行街设计的,但是,现在街道两边的发展已经有了很大的差异.
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It is reported that 99 % of school-age in China attended school by 2004.
据报道,在2004年以前,中国99%的学龄儿童能进入小学.
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Remember a resume is a marketing document, not a career obituary.
记住履历是一份推销自己的文档, 而不是你以前职业的讣告.
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Other people say a railroad worker named Obadiah Kelly invented the word long ago.
其他人认为是一位叫做俄巴底亚?凯利的铁路工人在很久以前发明的这个词.
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He looked like the old Ashley she knew at twelve Oaks when he smiled like this.
他仍然是以前她在"十二像树"村认识的那个艾希礼的模样,那时也是这样笑的.
飘（部分）
If done before puberty, it prevents the development of functioning adult sex organs.
如果在青春期以前阉割, 阉割会防止功能性成人性器官的发展.
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