The exiles had been cut off from all contact with their homeland.流亡者被切断了与家乡的所有联系。Many refugees have been forced to flee their homeland.很多难民被迫逃离了祖国。the Department of Homeland Security国土安全部...
This relationship is called Boyle's law, in honor of the English physicist who discovered it.为纪念发现这一定律的英国物理学家, 这个关系式叫做波义耳定律.The first experiments clearly revealed what Boyle called " the spring of the air ".最初的实验清清楚...