London was a frequent starting point for Grand Tourists, and Paris a compulsory destination; many traveled to the Netherlands, some to Switzerland and Germany, and a very few adventurers to Spain, Greece, or Turkey.
出自-2017年6月閱讀原文
It made a compulsory part of college education.
出自-2017年6月閱讀原文
compulsory cooperation between universities and industries
出自-2011年12月閱讀原文
London was a frequent starting point for Grand Tourists, and Paris a compulsory destination; many traveled to the Netherlands,some to Switzerland and Germany, and a very few adventurers to Spain, Greece, or Turkey.
2017年6月六級(jí)真題（第二套）閱讀 Section C
New compulsory age-appropriate relationship and sex education lessons in England should help equip children to deal with the growing demands of social media.
2018年高考英語江蘇卷 閱讀理解 閱讀D 原文
To increase levels of community service, some schools have launched compulsory volunteer programs.
2015年高考英語江蘇卷 閱讀理解 閱讀C 原文
It seems clear that such a scheme is an initiative push toward what would eventually be a compulsory Internet "driver's license" mentality.