| 单词 | alternative source |
| 释义 | alternative source Whether or not fish could provide a viable alternative protein source, it is clear that one will be needed, given the likely scenario of exponential population growth. The Times Literary Supplement (2014) Yet recycling food waste could provide an alternative source of low-carbon energy. Times, Sunday Times (2009) FirstGroup has yet to decide how many of the buses will be powered by alternative fuel sources. Times, Sunday Times (2013) |
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