no object And with object. To irrigate from below the surface of the soil or other growing medium.
Mid 19th century. From sub- + irrigate. Compare slightly earlier subirrigation and earlier subirrigated.
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。