一减一等于零。

One minus one is zero.

《柯林斯英汉双解大词典》

三减一等于二。

Three minus one is two.

youdao

一减一等于零。

One minus one leaves nought [zero].

《新英汉大辞典》

In other words what happens to people's health as they lose weight and then regain it repeatedly over a period time?

换言之,在一段时期内反复增重减重,对人们的健康有什么影响

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

T1 Anyway T2 over T1 is equal to V2 over V3 to the power gamma minus one.

总之，T2除以3,等于V2除以V3的伽马减一次方。

麻省理工公开课 - 热力学与动力学课程节选

This was not a naturally occurring attenuated virus as used in smallpox, but a virus that was attenuated in the laboratory, basically by propagating it in culture and looking for mutants that were formed as you propagated this virus under different experimental conditions.

这不是在制造天花疫苗时,使用的那种天然减毒病毒,而是一种在实验室中被人工弱化的病毒,基本上是通过在细胞中培养繁殖后,从这些培养出来的病毒中挑选出,不同实验环境下的变异体

耶鲁公开课 - 生物医学工程探索课程节选