那些牺牲者被称为波兰男子中的精英。Those killed have been described as the flower of Polish manhood.他们基本上是一些非常有钱有势的精英。They were, by and large, a very wealthy, privileged elite.法律行业正开始变得更具平民性，不像从前那么精英化。The legal profession is starting to b...
天文学家能够测定每颗恒星的亮度。An astronomer can determine the brightness of each star.这颗恒星的表面温度估计在零下75摄氏度左右。The star's surface temperature is reckoned to be minus 75 degrees Celsius.这些恒星一定是形成于100到150亿年前。The stars must have formed...