...in March 1886 when he contracted pneumonia, his temperature reached 104.3 degrees Fahrenheit (40.2 Celsius), and he became delirious, an illness so serious that it even persuaded his parents to visit him.51 Part of the cure was the regular administration of relatively large doses of brandy, both orally and rectally.

丘吉尔小时候得肺炎，治疗的一部分是口服大量白兰地，以及rectally。。这是啥意思？用酒精擦拭肛门吗？还是向直肠灌入酒精？这种疗法有科学道理吗？