A nervous person might swallow a lot of air, which then moves quickly through the digestive system before the blood has a chance to absorb it.
A nervous person might swallow a lot of air, which then moves quickly through the digestive system before the blood has a chance to absorb it.
容易紧张的人可能会吸进大量空气，在血液还没吸收前，空气已经快速通过了消化系统。