the epicenter of the international crisis.国际危机的中心The point on the earth's surface directly above is called the epicenter.地表上直接对着震源的那一点称为震中.It is a mystery how he located the epicenter.他是怎样测定震中的还是个谜.At the end of the...
The Earth orbits in an ellipse.地球轨道呈椭圆形。The moon doesn't describe a circle round the earth, but rather an ellipse.月球绕地球运行的轨道不是浑圆的, 而是椭圆的.Send the ellipse behind all the artwork and set it to Multiply.发送椭圆背后的所有作品,并将其...