But most people also experience a few mass peristalsis movements a day — big, intense contractions that clear out a large swath of intestine at once, pushing feces into the rectum. These often occur just after eating.

但是大多数人一天也会经历一些大规模的蠕动运动——巨大而强烈的收缩，同时清理一大片肠道，将粪便推入直肠。这些通常发生在刚吃完东西之后。