Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.

在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。

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Guest speaker will also present prizes to the students.

演讲嘉宾还将为学生颁奖。

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It isn't a school subject or an academic discipline, but it can be learned; It is a quality that is required of artists, but it is also present in the lives of scientists and entrepreneurs.

它不是一门学校的科目或学术学科，但它是可习得的；这是艺术家必须具备的品质，但它也存在于科学家和企业家的生活中。

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Instead,such arms were also present earlier.

VOA: special.2009.10.13

They can present GAAP and then that goes to EDGAR and they can also present it any other way they like.

要么按照国际公认会计准则并录入EDGAR,要么以他们偏爱的其他方式披露信息

耶鲁公开课 - 金融市场课程节选

But then I was also at Hilary Sunday School of my present Baptist church You have all of this comes together.

但是我同样还在另外一所主日学校打工,总是能同一时间做好几件事情。

普林斯顿公开课 - 人性课程节选

Wal-Mart security officers were also present overnight, but he said he did not know how many.

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Also present this week is world number six Retief Goosen, the 2003 Chrysler champion.

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Also present will be other friends and family, including her two children and her grandchildren.

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