James Hansen, still at NASA, now warns that a deadline of sorts is approaching: In the next 20 years or so, he says, greenhouse warming may cause.是什么意思_James Hansen, still at NASA, now warns that a deadline of sorts is approaching: In the next 20 years or so, he says, greenhouse warming may cause.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句