polar night

常见例句

To fight off the perpetual blackness of the polar night, a windmill was installed to run electric arc lamps.
为了击退极地之夜的黑暗，他还装了个风车发电运行电弧灯。
This difference allows the satellite to capture a year-round sea ice record, despite cloud cover and months of polar night.
这种差别使得卫星能够获取整年的海冰记录，除非出现云层遮蔽或极夜的月份。
But as the annual winter sea ice boundary retreats farther south, pack ice penguins may ultimately find themselves trapped behind a curtain of polar night for which they have no hardwired strategy.
但随着冬季海冰边界不断向南撤退，喜欢在积冰上生活的企鹅也许最终会被困在极夜的黑幕中无法脱身。