ruler
英 ['ru?l?]
美['rul?]
- n. 尺；统治者；[测] 划线板，划线的人
考试真题
- Monaco became familiar to Americans when its ruler, Prince Rainier married the American actress Grace Kelly.
2016年12月四级真题（第二套）听力 Section C
- Some were created by famous artists, including a 19-year-old michelangelo, who in 1494 was appointed by the ruler of florence, italy, to build a snowman in his mansion's courtyard.
2015年高考英语上海卷 阅读理解 阅读A 原文