| 单词 | tipping point |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔point〕The technology has reached a tipping point.该技术已经达到了一个转折点。牛津搭配〔tipping point〕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。剑桥高阶 |
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