曲折点 meaning in English

cuspoint
inflection point

Then the slope rises ever more steeply as bacteria proliferate until it reaches an inflection point
随着细菌的不断繁殖，原本平缓的曲线突然急剧升高，一直到顶端的曲折点。
Is also the designer ' s grave , and is also the employee ' s human life turns and twists point , is a no man to cooperate to recognize with letter and pay of , also be used ased to ever served for this of a member but feel sorry for with unworthy
也是设计师的坟墓，更是员工的人生曲折点，是无人合作和信认与付出的，也为此作为曾经服务过的一成员而惋惜和不值。