乔安妮刚要作保证，丹尼尔就把她打断了。Immediately, Daniel cut in on Joanne's attempts at reassurance.图尔金拍拍他的肩膀。“不好意思打断您一下，上校。”Turkin tapped him on the shoulder. "Sorry to interrupt, Colonel."敲门声打断了他，萨莉·皮尔斯走了进来。A tap on the door interr...
For many years sundials have cast their spell over scientists and mathematicians.多年来，日晷一直吸引着科学家和数学家们。As far as mathematicians are concerned, there's a certain virtue in wearing intellectual blinkers.就数学家们来说，用学者的眼光来看...