tipping point
noun [ S or U ] uk/ˈtɪp.ɪŋ ˌpɔɪnt/ us/ˈtɪp.ɪŋ ˌpɔɪnt/
临界点，引爆点，爆发点
the time at which a change or an effect cannot be stopped
The earth has already passed the tipping point in terms of global warming. 就全球变暖而言，地球已经超出了临界点。
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