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汉语拼音：dào shǔ

如果两个数的积是1，其中一个数就叫做另一个数的倒数。如2的倒数是，的倒数是5。

• the antepenultimate item on the agenda

  议程的倒数第三项

• The spaceship is already being counted down.

  宇宙飞船已开始倒数计时了.

• The value of the complement of the secant is called the cosecant.

  正割函数的倒数，称为余割函数。

• The inverse of its slope is the speed of light.

  其倾斜的倒数是光速.

• The probability of survival is the reciprocal of fecundity.

  生存的概率是生殖力的倒数.

• The reciprocal of 8 is 1 / 8.

  八的倒数为八分之一.

• The inverse of 1 / 3 is 3 . 1 / 3 .

  的倒数是 3..

• Opacity is the reciprocal of transmission.

  阻光率是透射率的倒数.

• The spaceship will soon be launched, the people at control have already begun to count down.

  宇宙飞船很快就要发射了, 控制室的人已经开始在倒数了.

• This program is use to count down from a number to 1.

  此程式是用将某数倒数至一.

• The main stress in'photography'falls on the antepenultimate syllable.

  photography 一字的主重音在倒数第三个音节上.

• I will never employ any device with a digital countdown.

  我将不会使用任何倒数计时用具.

• The exceptions are Myanmar and Venezuela, both in the bottom ten.

  但是也有例外,缅甸和委内瑞拉双双排在倒数十名之列.

• My scores were in the percentile of the entire nation.

  我的分数在全国垫底,在倒数百分之二十以内.

• Millions of people saw Apollo 10 being counted down, on television.

  许许多多的人在电视上看到宇宙火箭“阿波罗”10号发射时倒数计时的情景.