those getting access to treatment. But it said reaching this tipping point did not mean the end of AIDS soon.Tip本指“倾斜”，tipping point引申为“发生重大变化的转折点”。具有类似意义的还有milestone，如a milestone in the country ……

for "The New Yorker", asks and attempts to answer in his book "The Tipping Point".Gladwell's book... suit his point.Another drawback of "The Tipping Point" is that it is becoming dated. Originally ……

to reach the tipping point with virtual field trips", says Ruth Blankenbaker, director of the Center...) with experts in the field."---------------------------------------Bonus新词：Tipping pointA tipping point ……

reached an important tipping point (临界点), and that powerful change for the better is possible ……

hormones after last year's Tour was a "tipping point" for the sport. "It caused chaos throughout...也一起来凑个热闹。你们这帮家伙打扑克总是不带我。tipping point:临界点，引爆点At Wednesday's meeting, he reached a tipping point: He ……

are beyond a tipping point (千钧一发) in this country, and his rhetoric (说辞) only enflames (助长... matters. “We are beyond a tipping point (千钧一发) in this country, and his rhetoric (说辞) only ……

of the Industrial Revolution. Now, 350 ppm is believed to be a tipping point: after that, a number... have time to pull back and not reach what is considered the tipping point."BONUS参与环保人群分类：eco-minded关注 ……

are nearing the caffeine tipping point (临界点), it might be a factor worth considering.The claim: Fizzy... of dark sodas are likely to have lower bone density.B. Those who are nearing the caffeine tipping point ……

a “tipping point (临界点)” past which trees will start to die off in large numbers... rainforest is moving toward a “tipping point (临界点)” past which trees will start to die off ……

diseases. The widespread use of alternative energy has delayed the arrival of the tipping point... has delayed the arrival of the tipping point for climate change. Moreover, the proliferation (激增 ……

解释Tipping point指“临界点，转折点”，如：Now, a tipping point has arrived.(现在，扭转乾坤的时机到了。)背景治疗专家Susan Pease Gadoua和记... from 61 percent in 2010.Marriage, it seems, is at a crossroads.“I think we’ve reached a tipping ……

20 percent of the ecosystem is destroyed (破坏), the Amazon rainforest could reach a “tipping point ……

students are female. Administrators are watching closely for the "tipping point" at which schools... in school and starve to death.6. tipping point: n. the point at which something begins to tip over ……

the caffeine tipping point, it might be a rule worth considering.The claim: Carbonated drinks weaken ……

Somerhalder Foundation to raise awareness of environmental issues. The tipping point (节点 ……