A moment before the onset of the all and shrouding darkness bright Northern Lights may appear due to changes in the magnetic field around the Earth and the disturbances in the ionosphere.

由于地球周围磁场的变化和电离层的扰动，在笼罩一切的黑暗降临之前，明亮的北极光可能会出现。

But bank bosses emphasised the fog of uncertainty shrouding it all. " We are in a completely unpredictable environment, " said Michael Corbat, Citi's chief executive.

但银行老板们强调的是笼罩着一切的不确定性。“我们都处在一切完全不可预测的环境，”花旗银行的CEO Michael Corbat说到。

Indeed, whatever being uttered that fearful shriek could not soon repeat it: not the widest-winged condor on the Andes could, twice in succession, send out such a yell from the cloud shrouding his eyrie.

确实，无论是什么生物发出了那可怕的尖叫，都不可能立重复这一；使是安第斯山脉上展翅最宽的秃鹰，也无法从它云雾缭绕的巢穴连续两次发出如此凄厉的叫。

From sea to sky, the sun and moon put on a spectacular show across America yesterday, shrouding daylight in the spectacle of a satellite surreal shadow.

从海洋到天空，太阳和月亮昨天在美国上演了一场壮观的表演， 将日光笼罩在卫星超现实阴影的奇观。

Half an hour later, the north tower collapsed too, shrouding Lower Manhattan in dust and smoke.

半小时后，北塔也倒塌了，曼哈顿下城笼罩在灰尘和烟雾。