N-UNCOUNT 忏悔星期二(基督教大斋期首日的前一天，人们按照传统会吃薄饼) Shrove Tuesday is the Tuesday before Ash Wednesday. People traditionally eat pancakes on Shrove Tuesday. 忏悔星期二(基督教大斋期首日的前一天，人们按照传统会吃薄饼)