一个几何体的三视图如图所示,其中正视图是一个正三角形,则这个几何体的外接球的表面积为( )
—No,I____. Because I don't know how to do it.
学会温度的读法和写法:
37摄氏度写作(____),0摄氏度写作(____),零下5摄氏度写作(____),4℃读作(____),12℃读作(____),35℃读作(____)
If you take my _____,you won't tell anyone about it.