tipping point
noun/ˈtɪpɪŋ pɔɪnt/
/ˈtɪpɪŋ pɔɪnt/
- the point at which the number of small changes over a period of time reaches a level where a further small change has a sudden and very great effect on a system or leads to an idea suddenly spreading quickly among a large number of people
（个案积累终成大趋势的）引爆点，爆发点 - The technology has reached a tipping point.
该技术已经达到了一个转折点。
- The technology has reached a tipping point.