1Agriculture a system of crop rotation suitable for a field; a crop used in such a system.
2A practical course of study that takes place in the field, rather than in a laboratory, classroom, etc.
Late 17th century.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。