1. Pyloric stenosis is a condition that affects infants, causing them to have difficulty in emptying their stomachs.
幽门狭窄是一种影响婴儿的疾病，导致他们难以将胃中的食物排空。

2. The pyloric region of the stomach is responsible for regulating the passage of food into the small intestine.
胃的幽门区负责调节食物通过小肠的进程。