n.推測(cè)；投機(jī)；沉思

They have much speculation over the cause of the air crash. 他們對(duì)飛機(jī)墜毀原因有多方推測(cè)。

Speculation has reached such a pitch that a decision will have to be made immediately. 這種胡亂猜測(cè)甚囂塵上，已經(jīng)到了必須立即解決的程度了。

He makes some unprofitable speculations. 他在做些無(wú)利可圖的投機(jī)生意。

The Big Bang is a kind of speculation or guess rather than a proven fact. 大爆炸只是一種思索和推測(cè)并不是已證明的事實(shí)。

反投機(jī)的