In space, body fluids shifts to the head and upper body as much as two liters of fluid.

在太空中，多达两公升的体液会流向头部和上半身。

In space, body fluids shift from the lets to the head and upper body, as much as two liters of fluid.

在太空中，体液从小孔流向头部和上身，多达两公升的体液。