in sense 1, from New Latin aurantium (specific epithet of Citrus aurantium) + English -aceous; in sense 2, from New Latin Aurantiaceae + English -ous
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。