词汇	umbilical spacelike
释义	umbilical spacelike 类空子流形
随便看	The George Washington University The George was in other hands at that time The George was in other hands at that time,sir the georgia institute of technology the georgian poets the Georgian school the geo-science model the geothermal gradient Theger The gerbil The gerbil? The.ger is blue the German chancellor the german civil law the German Democratic Republic the German edition The German Empire The German Federal Court of Auditors the german foreign office was evasive The German Foreign Office was evasive The German Government accepted this stipulation the german high command The German High Command took the bait anyway the Germanic family of languages the germanic group of language