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Travelling at speeds of up to thirty five knots, these hovercraft can easily outpace most boats.

这些气垫船以高达每小时35海里的速度航行，很容易超过大部分船只。

《柯林斯英汉双解大词典》

She did not mind much, because she had already counted up to thirty.

她不太介意，因为她已经数到三十了。

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The National Association for Sport and Physical Education says twenty to thirty students in a P.E.class should be the limit.

VOA: special.2009.08.06

Ten to thirty percent of those people have their own small business.

其中10%到30%的人,有他们自己的事业。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

But these are just illustrations that come out of the Thirty Years' War, which people are trying to put behind them.

这些画作是对三十年战争时期的描绘,人民试图淡忘三十年战争给他们带来的创伤

耶鲁公开课 - 欧洲文明课程节选

She taught three ninety-minute classes a day with anywhere from twenty to thirty students.

NEWYORKER: Personal Best

This compares to thirty years ago when their parents lived in slums and could hardly afford bicycles.

FORBES: The Chinese Middle Class View of the Leadership Transition

Their orchestras consist of five to thirty wooden xylophones, called timbila, of varying sizes and ranges of pitch.

UNESCO: Culture