The exact number of protest calls has not been revealed.

抗议电话的确切次数尚未披露。

《柯林斯英汉双解大词典》

The exact number of embryos lost to cryoinjury varies.

冷冻损伤胚胎的确切数目各不相同。

youdao

The exact number of victims is unknown.

目前受害者确切数字无法得知。

youdao

The general consensus is - not knowing,again, the exact number of centrifuges that we actually have visibility into - we are talking one year."

VOA: standard.2010.04.14

I forget the exact number of the ones in the Semitic alphabet, but we're talking about roughly twenty-five.

我忘了闪米特语中有多少字母,粗略说来大概有二十五个

耶鲁公开课 - 古希腊历史简介课程节选

The bailout --I don't have the exact number here -it was a huge number of Euros.

这次救助,我这儿没有准确数字,但它确实耗费了巨额欧元

耶鲁公开课 - 金融市场课程节选

So we can't tell you the exact number of times Ron Paul was searched, for instance.

FORBES: Only Online: Ron Paul Beats Hillary Clinton

The exact number of jobs under threat at the college is not yet known.

BBC: College staff told to expect 'devastating' job losses

Under the changes, a census is to establish the exact number of schools, teachers and pupils in the country.

BBC: Mexico's Pena Nieto enacts major education reform