| 单词 | pre-industrial |
| 释义 | pre-industrial regional note: in AM, usually use preindustrial adjective [ADJECTIVE noun] Pre-industrial refers to the time before machines were introduced to produce goods on a large scale. ...the transition from pre-industrial to industrial society. Collocations: pre-industrial level In 2016 atmospheric carbon dioxide levels rose above 400 parts per million, contrasting with the pre-industrial level of 280ppm. Times, Sunday Times In 100 years, ocean acidity levels have risen significantly — as atmospheric carbon dioxide increased by 30 per cent over pre-industrial levels. The Sun Over the past 800,000 years, ice core data shows that carbon dioxide has varied from values as low as 180 parts per million (ppm) to the pre-industrial level of 270ppm. Retrieved from Wikipedia CC BY-SA 3.0 I think it's disingenuous to pretend that we can continue to enjoy a lifestyle sustained by 20th-century standards of transportation, yet somehow magically revert to pre-industrial levels of carbon emission. Times, Sunday Times From pre-industrial levels of about 280 parts per million (ppm) it has this year averaged 401ppm — the first time it has consistently breached the 400ppm benchmark. Times, Sunday Times |
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