Associating a number as one of the qualities of a specific object is a great hindrance to the development of a true number sense.

把数字和一个具体物品的一种属性联系起来，是形成真正的数感的一大障碍。

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The band is riding on the crest of a wave with the worldwide success of their number-one-selling single.

这个乐队目前正处于巅峰，他们的单曲全球销量第一。

《柯林斯英汉双解大词典》

A number of important school activities are coming up, and the biggest one is "Exercise Month".

许多重要的学校活动即将到来，而最大的一项活动是“锻炼月”。

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She says one possibility is a decrease in the number of school nurses during the period they studied.

VOA: special.2009.08.06

Situation number two is I take the same number, and I make a row. They are all in one row.

状态二我将采用同样的数字，并且我做了一个箭头，它们全部都在一列上。

麻省理工公开课 - 固态化学导论课程节选

As we all know, this only works if there is a pointee, which kind of gets back to rule number one.

众所周知，只有当有指针数据时，这个才起作用，这有点像第一条规则。

哈佛公开课 - 计算机科学课程节选

Mr. Browne, who is a Liberal Democrat, is one of a number of British dignitaries to have visited Chongqing in recent years.

WSJ: U.K. Officials in China Expressed Early Concern About Death

LINk Devon is a one of a number of Local Involvement Networks set up by the government in 2008 to get people involved in the commissioning, provision and scrutiny of local health and social care services.

BBC: Devon GPs mental health care 'not satisfactory'

This is one of a number of projects where new communication technology is used to improve maternal health care in developing countries.

FORBES: UN Population Fund Executive Director on HIV/AIDS, Maternal Health, and Leadership