The result is a sort of high-quality, unusually rigorous coffee-table book, designed to be dipped into rather than read from beginning to end.
出自-2013年6月阅读原文
The picture worsens with each round of El Nino, the unusually warm currents in the Pacific Ocean that drive up temperatures and invariably presage (预示) droughts and fires in the rain forest
出自-2013年6月阅读原文
That's an unusually large drop," Plant says.
出自-2010年6月阅读原文