fluid in the stomach的意思|示意

Gravity ensures the fluid stays in your stomach, allowing the carbon dioxide bubbles to expand and rise to the top of the fluid.

重力保证这种液体会呆在你的胃里，并允许二氧化碳气泡膨胀上升到这些液体的顶部。

In the most severe form, they cannot eat or drink at all and must receive nutrition and fluid replacement through tubes into the stomach or intravenously, "he said."

在个别严重的病例，患者根本不能进食和饮水，只能通过胃管或者静脉给与营养和水分，他说。