航天员在太空失重环境中,吃饭有几种吃法。一种是坐着不动,像在地面上就餐一样,自己把食物往嘴里送。另一种吃法是把要吃的一口大小的食物放在半空中,食物在空间不动,人飞过去用嘴凑上去咬住它。吃饭的时候要闭着嘴吃,千万不能叫食物残渣漏到嘴外边去,否则食物渣子会在空中飘浮不落,很难清 Astronauts in space weightlessness environment, eat several ways to eat. One is sitting motionless, like eating on the ground, as he sent food to his mouth. Another way to eat is to put the size of food to eat in the air, the food in the space does not move, people flew over to bite it with their mouths. Do not eat food when the mouth closed to eat, do not let the food residue leak to the outside of the mouth, or food residue will not fall in the air, it is difficult to clear